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		<id>https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=3199%3A_Early_Arthropods</id>
		<title>3199: Early Arthropods - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=3199%3A_Early_Arthropods"/>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;action=history"/>
		<updated>2026-04-28T22:42:24Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.30.0</generator>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=410128&amp;oldid=prev</id>
		<title>71.80.176.171: /* Transcript */ added detail of middle arthropod turning to rightmost arthropod in 2nd panel</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=410128&amp;oldid=prev"/>
				<updated>2026-04-11T20:23:54Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Transcript: &lt;/span&gt; added detail of middle arthropod turning to rightmost arthropod in 2nd panel&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 20:23, 11 April 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l31&quot; &gt;Line 31:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 31:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Arthropod 3: I'm gonna evolve glands to make string from my butt and use it to construct elaborate geometric nets hundreds of times my size to catch other animals.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:Arthropod 3: I'm gonna evolve glands to make string from my butt and use it to construct elaborate geometric nets hundreds of times my size to catch other animals.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Beat panel narrowed in on the arthropods.]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Beat panel narrowed in on the arthropods&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. The arthropod in the center has turned to face the rightmost one&lt;/ins&gt;.]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Same scene:]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[Same scene:]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>71.80.176.171</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=407911&amp;oldid=prev</id>
		<title>81.179.199.253: /* Explanation */ This actually seems like the original error solved... (Making the URL work, and supplying the operative 'missing' word back to the text.)</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=407911&amp;oldid=prev"/>
				<updated>2026-03-10T13:53:06Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; This actually seems like the original error solved... (Making the URL work, and supplying the operative &amp;#039;missing&amp;#039; word back to the text.)&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 13:53, 10 March 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l20&quot; &gt;Line 20:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 20:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text, most prominently bees, ants and termites, are other types of arthropods with high levels of social organization. As such, they are notable for ''not'' &amp;quot;mind[ing] their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. Eusocial insects operate in groups, and the individuals often don't operate on their own at all, to the point where the whole colony often &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;operates &lt;/del&gt;[https://daily.jstor.org/how-fire-ants-form-rafts&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;/&lt;/del&gt;acts as a unit, with little regard for the individual]. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about eusociality being pretty weird to a solitary organism, or may refer to the [https://scitechdaily.com/why-termites-blow-themselves-up-the-fascinating-chemistry-of-their-defense-mechanisms/ extreme forms of behavior eusocial insects sometimes pursue]. (While there are a number of species of {{w|social spider}}, there aren't any that meet the strict definition of eusociality.)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text, most prominently bees, ants and termites, are other types of arthropods with high levels of social organization. As such, they are notable for ''not'' &amp;quot;mind[ing] their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. Eusocial insects operate in groups, and the individuals often don't operate on their own at all, to the point where the whole colony often [https://daily.jstor.org/how-fire-ants-form-rafts acts as a unit, with little regard for the individual]. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about eusociality being pretty weird to a solitary organism, or may refer to the [https://scitechdaily.com/why-termites-blow-themselves-up-the-fascinating-chemistry-of-their-defense-mechanisms/ extreme forms of behavior eusocial insects sometimes pursue]. (While there are a number of species of {{w|social spider}}, there aren't any that meet the strict definition of eusociality.)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>81.179.199.253</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=407906&amp;oldid=prev</id>
		<title>91.94.4.217: /* it was definitely missing a word, but maybe not THIS word (too repetitive) */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=407906&amp;oldid=prev"/>
				<updated>2026-03-10T11:16:02Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;it was definitely missing a word, but maybe not THIS word (too repetitive)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 11:16, 10 March 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l20&quot; &gt;Line 20:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 20:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text, most prominently bees, ants and termites, are other types of arthropods with high levels of social organization. As such, they are notable for ''not'' &amp;quot;mind[ing] their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. Eusocial insects operate in groups, and the individuals often don't operate on their own at all, to the point where the whole colony often [https://daily.jstor.org/how-fire-ants-form-rafts/acts as a unit, with little regard for the individual]. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about eusociality being pretty weird to a solitary organism, or may refer to the [https://scitechdaily.com/why-termites-blow-themselves-up-the-fascinating-chemistry-of-their-defense-mechanisms/ extreme forms of behavior eusocial insects sometimes pursue]. (While there are a number of species of {{w|social spider}}, there aren't any that meet the strict definition of eusociality.)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text, most prominently bees, ants and termites, are other types of arthropods with high levels of social organization. As such, they are notable for ''not'' &amp;quot;mind[ing] their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. Eusocial insects operate in groups, and the individuals often don't operate on their own at all, to the point where the whole colony often &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;operates &lt;/ins&gt;[https://daily.jstor.org/how-fire-ants-form-rafts/acts as a unit, with little regard for the individual]. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about eusociality being pretty weird to a solitary organism, or may refer to the [https://scitechdaily.com/why-termites-blow-themselves-up-the-fascinating-chemistry-of-their-defense-mechanisms/ extreme forms of behavior eusocial insects sometimes pursue]. (While there are a number of species of {{w|social spider}}, there aren't any that meet the strict definition of eusociality.)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>91.94.4.217</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404965&amp;oldid=prev</id>
		<title>Tromag at 15:11, 5 February 2026</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404965&amp;oldid=prev"/>
				<updated>2026-02-05T15:11:53Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 15:11, 5 February 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l14&quot; &gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic points out that something we generally take for granted — {{w|spider}}s spinning webs — can seem both amazing as well as {{w|Defamiliarization|weird}} and disgusting in its details. Whereas the kind of adaptation referred to by the first {{w|arthropod}} (seen in {{w|shrimp}}, {{w|krill}}, {{w|isopoda|isopods}}, etc.) and by the second ({{w|scorpions}}, {{w|crabs}}, many insects) may seem like obvious things for evolution to arrive at, it's less clear how something would evolve to construct webs.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic points out that something we generally take for granted — {{w|spider}}s spinning webs — can seem both amazing as well as {{w|Defamiliarization|weird}} and disgusting in its details. Whereas the kind of adaptation referred to by the first {{w|arthropod}} (seen in {{w|shrimp}}, {{w|krill}}, {{w|isopoda|isopods}}, etc.) and by the second ({{w|scorpions}}, {{w|crabs}}, many insects) may seem like obvious things for evolution to arrive at, it's less clear how something would evolve to construct webs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This strip treats evolution like a conscious process to underscore how strange it would be if a species simply decided to pursue some of these unusual adaptations. Evolution in real life works by {&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/del&gt;w|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;natural_selection&lt;/del&gt;}}, where small and random adaptations improve the odds of survival and reproduction, and those changes build up into huge changes over the course of long enough time spans. This means that no one decided that a spider's web-weaving ability (for example) was worth pursuing, it happened gradually over millions of years. An intelligent species can accelerate this gradual process of natural selection through {{w|artificial selection}} by choosing characteristics and using selective breeding and culling to favor those. Only humans are known to plan out such breeding (mostly in domesticated species), and even then it is an {{w|Dog breeding#Criticism|imperfect process}} that can be very hit-and-miss. Most biology is the result of evolution without any evident plan.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This strip treats evolution like a conscious process to underscore how strange it would be if a species simply decided to pursue some of these unusual adaptations. Evolution in real life works by {&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{&lt;/ins&gt;w|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;natural selection&lt;/ins&gt;}}, where small and random adaptations improve the odds of survival and reproduction, and those changes build up into huge changes over the course of long enough time spans. This means that no one decided that a spider's web-weaving ability (for example) was worth pursuing, it happened gradually over millions of years. An intelligent species can accelerate this gradual process of natural selection through {{w|artificial selection}} by choosing characteristics and using selective breeding and culling to favor those. Only humans are known to plan out such breeding (mostly in domesticated species), and even then it is an {{w|Dog breeding#Criticism|imperfect process}} that can be very hit-and-miss. Most biology is the result of evolution without any evident plan.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[:Category:Spiders|Spiders]] are a recurring theme on xkcd.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[:Category:Spiders|Spiders]] are a recurring theme on xkcd.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Tromag</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404964&amp;oldid=prev</id>
		<title>Tromag at 15:10, 5 February 2026</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404964&amp;oldid=prev"/>
				<updated>2026-02-05T15:10:23Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 15:10, 5 February 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l14&quot; &gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic points out that something we generally take for granted — {{w|spider}}s spinning webs — can seem both amazing as well as {{w|Defamiliarization|weird}} and disgusting in its details. Whereas the kind of adaptation referred to by the first {{w|arthropod}} (seen in {{w|shrimp}}, {{w|krill}}, {{w|isopoda|isopods}}, etc.) and by the second ({{w|scorpions}}, {{w|crabs}}, many insects) may seem like obvious things for evolution to arrive at, it's less clear how something would evolve to construct webs.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic points out that something we generally take for granted — {{w|spider}}s spinning webs — can seem both amazing as well as {{w|Defamiliarization|weird}} and disgusting in its details. Whereas the kind of adaptation referred to by the first {{w|arthropod}} (seen in {{w|shrimp}}, {{w|krill}}, {{w|isopoda|isopods}}, etc.) and by the second ({{w|scorpions}}, {{w|crabs}}, many insects) may seem like obvious things for evolution to arrive at, it's less clear how something would evolve to construct webs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This strip treats evolution like a conscious process to underscore how strange it would be if a species simply decided to pursue some of these unusual adaptations. Evolution in real life works by {w|natural_selection}}, where small and random adaptations improve the odds of survival and reproduction, and those changes build up into huge changes over the course of long enough time spans. This means that no one decided that a spider's web-weaving ability (for example) was worth pursuing, it happened gradually over millions of years. An intelligent species can accelerate this gradual process of natural selection through {{w|artificial selection}} by choosing characteristics and using selective breeding and culling to favor those. Only humans are known to plan out such breeding (mostly in domesticated species), and even then it is an {{w|Dog breeding#Criticism|imperfect process}} that can be very hit-and-miss. Most biology is the result of evolution without any evident plan.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This strip treats evolution like a conscious process to underscore how strange it would be if a species simply decided to pursue some of these unusual adaptations. Evolution in real life works by {&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/ins&gt;w|natural_selection}}, where small and random adaptations improve the odds of survival and reproduction, and those changes build up into huge changes over the course of long enough time spans. This means that no one decided that a spider's web-weaving ability (for example) was worth pursuing, it happened gradually over millions of years. An intelligent species can accelerate this gradual process of natural selection through {{w|artificial selection}} by choosing characteristics and using selective breeding and culling to favor those. Only humans are known to plan out such breeding (mostly in domesticated species), and even then it is an {{w|Dog breeding#Criticism|imperfect process}} that can be very hit-and-miss. Most biology is the result of evolution without any evident plan.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[:Category:Spiders|Spiders]] are a recurring theme on xkcd.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[:Category:Spiders|Spiders]] are a recurring theme on xkcd.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l20&quot; &gt;Line 20:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 20:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text, most prominently bees, ants and termites, are other types of arthropods with high levels of social organization. As such, they are notable for &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;very clearly &lt;/del&gt;''not'' &amp;quot;mind[ing] their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. Eusocial insects operate in groups, and the individuals often don't operate on their own at all, to the point where the whole colony often [https://daily.jstor.org/how-fire-ants-form-rafts/acts as a unit, with little regard for the individual]. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about eusociality being pretty weird to a solitary organism, or may refer to the [https://scitechdaily.com/why-termites-blow-themselves-up-the-fascinating-chemistry-of-their-defense-mechanisms/ extreme forms of behavior eusocial insects sometimes pursue]. (While there are a number of species of {{w|social spider}}, there aren't any that meet the strict definition of eusociality.)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text, most prominently bees, ants and termites, are other types of arthropods with high levels of social organization. As such, they are notable for ''not'' &amp;quot;mind[ing] their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. Eusocial insects operate in groups, and the individuals often don't operate on their own at all, to the point where the whole colony often [https://daily.jstor.org/how-fire-ants-form-rafts/acts as a unit, with little regard for the individual]. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about eusociality being pretty weird to a solitary organism, or may refer to the [https://scitechdaily.com/why-termites-blow-themselves-up-the-fascinating-chemistry-of-their-defense-mechanisms/ extreme forms of behavior eusocial insects sometimes pursue]. (While there are a number of species of {{w|social spider}}, there aren't any that meet the strict definition of eusociality.)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Tromag</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404962&amp;oldid=prev</id>
		<title>Tromag at 15:09, 5 February 2026</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404962&amp;oldid=prev"/>
				<updated>2026-02-05T15:09:37Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 15:09, 5 February 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l14&quot; &gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic points out that something we generally take for granted — {{w|spider}}s spinning webs — can seem both amazing as well as {{w|Defamiliarization|weird}} and disgusting in its details. Whereas the kind of adaptation referred to by the first {{w|arthropod}} (seen in {{w|shrimp}}, {{w|krill}}, {{w|isopoda|isopods}}, etc.) and by the second ({{w|scorpions}}, {{w|crabs}}, many insects) may seem like obvious things for evolution to arrive at, it's less clear how something would evolve to construct webs.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic points out that something we generally take for granted — {{w|spider}}s spinning webs — can seem both amazing as well as {{w|Defamiliarization|weird}} and disgusting in its details. Whereas the kind of adaptation referred to by the first {{w|arthropod}} (seen in {{w|shrimp}}, {{w|krill}}, {{w|isopoda|isopods}}, etc.) and by the second ({{w|scorpions}}, {{w|crabs}}, many insects) may seem like obvious things for evolution to arrive at, it's less clear how something would evolve to construct webs.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Note that &lt;/del&gt;evolution in real life &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;does not work &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;way &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;comic implies, as creatures cannot choose &lt;/del&gt;a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;direction in which to evolve.{{citation needed}} An individual organism can choose to pursue certain activities&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;but these only affect its number &lt;/del&gt;of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;descendants&lt;/del&gt;. An intelligent species can accelerate this gradual process of natural selection through {{w|artificial selection}} by &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;favoring certain individuals, but this still requires many generations to make observable progress, &lt;/del&gt;and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;generally requires a more advanced understanding of what ''can'' be achieved. While many species select for fitness during reproduction, this is normally for traits that are already present, or of novel features that arise randomly &lt;/del&gt;and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;stand out as an advantage against their peers&lt;/del&gt;. Only humans are known to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;pursue major change, and &lt;/del&gt;mostly in domesticated species, and even then it is an {{w|Dog breeding#Criticism|imperfect process}} that can be very hit-and-miss.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;This strip treats &lt;/ins&gt;evolution &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;like a conscious process to underscore how strange it would be if a species simply decided to pursue some of these unusual adaptations. Evolution &lt;/ins&gt;in real life &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;works by {w|natural_selection}}, where small and random adaptations improve &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;odds of survival and reproduction, and those changes build up into huge changes over &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;course of long enough time spans. This means that no one decided that &lt;/ins&gt;a &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;spider's web-weaving ability (for example) was worth pursuing&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;it happened gradually over millions &lt;/ins&gt;of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;years&lt;/ins&gt;. An intelligent species can accelerate this gradual process of natural selection through {{w|artificial selection}} by &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;choosing characteristics &lt;/ins&gt;and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;using selective breeding &lt;/ins&gt;and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;culling to favor those&lt;/ins&gt;. Only humans are known to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;plan out such breeding (&lt;/ins&gt;mostly in domesticated species&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/ins&gt;, and even then it is an {{w|Dog breeding#Criticism|imperfect process}} that can be very hit-and-miss&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. Most biology is the result of evolution without any evident plan&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[:Category:Spiders|Spiders]] are a recurring theme on xkcd.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[:Category:Spiders|Spiders]] are a recurring theme on xkcd.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l20&quot; &gt;Line 20:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 20:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text, most prominently bees, ants and termites, are other types of arthropods with high levels of social organization. As such, they are notable for ''not'' &amp;quot;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;minding &lt;/del&gt;their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about eusociality being pretty weird to a solitary organism, or may refer to the [https://&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;www.nature&lt;/del&gt;.com/&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;articles/s41586&lt;/del&gt;-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;025&lt;/del&gt;-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;09425&lt;/del&gt;-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;w &lt;/del&gt;extreme forms of behavior eusocial insects sometimes pursue]. (While there are a number of species of {{w|social spider}}, there aren't any that meet the strict definition of eusociality.)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text, most prominently bees, ants and termites, are other types of arthropods with high levels of social organization. As such, they are notable for &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;very clearly &lt;/ins&gt;''not'' &amp;quot;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;mind[ing] &lt;/ins&gt;their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. Eusocial insects operate in groups, and the individuals often don't operate on their own at all, to the point where the whole colony often [https://daily.jstor.org/how-fire-ants-form-rafts/acts as a unit, with little regard for the individual]&lt;/ins&gt;. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about eusociality being pretty weird to a solitary organism, or may refer to the [https://&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;scitechdaily&lt;/ins&gt;.com/&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;why-termites-blow-themselves-up-the-fascinating&lt;/ins&gt;-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;chemistry&lt;/ins&gt;-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;of&lt;/ins&gt;-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;their-defense-mechanisms/ &lt;/ins&gt;extreme forms of behavior eusocial insects sometimes pursue]. (While there are a number of species of {{w|social spider}}, there aren't any that meet the strict definition of eusociality.)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Tromag</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404870&amp;oldid=prev</id>
		<title>81.179.199.253: Undo revision 404824 by DKMell (talk) Mentioned in Trivia.</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404870&amp;oldid=prev"/>
				<updated>2026-02-03T20:05:19Z</updated>
		
		<summary type="html">&lt;p&gt;Undo revision 404824 by &lt;a href=&quot;/wiki/index.php/Special:Contributions/DKMell&quot; title=&quot;Special:Contributions/DKMell&quot;&gt;DKMell&lt;/a&gt; (&lt;a href=&quot;/wiki/index.php?title=User_talk:DKMell&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:DKMell (page does not exist)&quot;&gt;talk&lt;/a&gt;) Mentioned in Trivia.&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 20:05, 3 February 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l6&quot; &gt;Line 6:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| imagesize = 553x469px&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| imagesize = 553x469px&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| noexpand&amp;#160; = true&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| noexpand&amp;#160; = true&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| titletext = 'Ugh, I'm never going to be like spiders. My descendants will all just be normal arthropods who mind their own busines &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[''sic''] &lt;/del&gt;and don't do anything weird.' --The ancestor of a bunch of eusocial insects&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| titletext = 'Ugh, I'm never going to be like spiders. My descendants will all just be normal arthropods who mind their own busines and don't do anything weird.' --The ancestor of a bunch of eusocial insects&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>81.179.199.253</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404824&amp;oldid=prev</id>
		<title>DKMell: sic</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404824&amp;oldid=prev"/>
				<updated>2026-02-03T01:18:48Z</updated>
		
		<summary type="html">&lt;p&gt;sic&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 01:18, 3 February 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l6&quot; &gt;Line 6:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| imagesize = 553x469px&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| imagesize = 553x469px&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| noexpand&amp;#160; = true&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| noexpand&amp;#160; = true&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| titletext = 'Ugh, I'm never going to be like spiders. My descendants will all just be normal arthropods who mind their own busines and don't do anything weird.' --The ancestor of a bunch of eusocial insects&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| titletext = 'Ugh, I'm never going to be like spiders. My descendants will all just be normal arthropods who mind their own busines &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[''sic''] &lt;/ins&gt;and don't do anything weird.' --The ancestor of a bunch of eusocial insects&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>DKMell</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404581&amp;oldid=prev</id>
		<title>BunsenH: /* Explanation */ unbroke link</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404581&amp;oldid=prev"/>
				<updated>2026-01-30T04:12:34Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; unbroke link&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 04:12, 30 January 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l20&quot; &gt;Line 20:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 20:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text, most prominently bees, ants and termites, are other types of arthropods with high levels of social organization. As such, they are notable for ''not'' &amp;quot;minding their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about eusociality being pretty weird to a solitary organism, or may refer to the [https://www.nature.com/articles/s41586-025-09425-w extreme forms of behavior eusocial insects sometimes pursue]. (While there are a number of species of {{w|social &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;spiders&lt;/del&gt;}}, there aren't any that meet the strict definition of eusociality.)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text, most prominently bees, ants and termites, are other types of arthropods with high levels of social organization. As such, they are notable for ''not'' &amp;quot;minding their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about eusociality being pretty weird to a solitary organism, or may refer to the [https://www.nature.com/articles/s41586-025-09425-w extreme forms of behavior eusocial insects sometimes pursue]. (While there are a number of species of {{w|social &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;spider&lt;/ins&gt;}}, there aren't any that meet the strict definition of eusociality.)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>BunsenH</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404580&amp;oldid=prev</id>
		<title>DKMell: examples, tightened up the writing a bit</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3199:_Early_Arthropods&amp;diff=404580&amp;oldid=prev"/>
				<updated>2026-01-30T01:36:29Z</updated>
		
		<summary type="html">&lt;p&gt;examples, tightened up the writing a bit&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 01:36, 30 January 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l12&quot; &gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{incomplete|This page was created by an arthropod who will get 10 pointy things to zap a metal box and tell it stuff.. Don't remove this notice too soon.}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{incomplete|This page was created by an arthropod who will get 10 pointy things to zap a metal box and tell it stuff.. Don't remove this notice too soon.}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic points out that something we generally take for granted — {{w|spider}}s spinning webs — can {{w|Defamiliarization|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;seem &lt;/del&gt;weird}} and disgusting &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;when we consider the &lt;/del&gt;details &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;of what it involves&lt;/del&gt;. Whereas the kind of adaptation referred to by the first {{w|arthropod}} (seen in {{w|isopoda|isopods}}) and by the second ({{w|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;scorpion&lt;/del&gt;}}&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;s or &lt;/del&gt;{{w|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;crab&lt;/del&gt;}}&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;s&lt;/del&gt;) may seem like obvious things for evolution to arrive at, it &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;may be &lt;/del&gt;less clear how something would &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;arrive at the outcome of web construction&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic points out that something we generally take for granted — {{w|spider}}s spinning webs — can &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;seem both amazing as well as &lt;/ins&gt;{{w|Defamiliarization|weird}} and disgusting &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;in its &lt;/ins&gt;details. Whereas the kind of adaptation referred to by the first {{w|arthropod}} (seen in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{w|shrimp}}, {{w|krill}}, &lt;/ins&gt;{{w|isopoda|isopods}}&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, etc.&lt;/ins&gt;) and by the second ({{w|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;scorpions&lt;/ins&gt;}}&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/ins&gt;{{w|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;crabs&lt;/ins&gt;}}&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, many insects&lt;/ins&gt;) may seem like obvious things for evolution to arrive at, it&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'s &lt;/ins&gt;less clear how something would &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;evolve to construct webs&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Note that evolution in real life does not work the way the comic implies, as creatures cannot choose a direction in which to evolve.{{citation needed}} An individual organism can choose to pursue certain activities, but these only affect its number of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;offspring&lt;/del&gt;. An intelligent species &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;could &lt;/del&gt;accelerate this gradual process of natural selection through artificial selection &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;that favored &lt;/del&gt;certain individuals, but this &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;would &lt;/del&gt;still &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;require &lt;/del&gt;many generations to make observable progress, and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;would &lt;/del&gt;generally &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;require &lt;/del&gt;a more advanced understanding of what ''can'' be achieved. While many species select for fitness during reproduction, this is normally for traits that are already present, or of novel features that arise randomly and stand out as an advantage against their peers. Only humans are known to pursue major change, and mostly in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;other &lt;/del&gt;domesticated species, and even then it is an {{w|Dog breeding#Criticism|imperfect process}} that can be very hit-and-miss.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Note that evolution in real life does not work the way the comic implies, as creatures cannot choose a direction in which to evolve.{{citation needed}} An individual organism can choose to pursue certain activities, but these only affect its number of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;descendants&lt;/ins&gt;. An intelligent species &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;can &lt;/ins&gt;accelerate this gradual process of natural selection through &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{w|&lt;/ins&gt;artificial selection&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;}} by favoring &lt;/ins&gt;certain individuals, but this still &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;requires &lt;/ins&gt;many generations to make observable progress, and generally &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;requires &lt;/ins&gt;a more advanced understanding of what ''can'' be achieved. While many species select for fitness during reproduction, this is normally for traits that are already present, or of novel features that arise randomly and stand out as an advantage against their peers. Only humans are known to pursue major change, and mostly in domesticated species, and even then it is an {{w|Dog breeding#Criticism|imperfect process}} that can be very hit-and-miss.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[:Category:Spiders|Spiders]] are a recurring theme on xkcd.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[:Category:Spiders|Spiders]] are a recurring theme on xkcd.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l20&quot; &gt;Line 20:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 20:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[2314:_Carcinization|Crabs]] are a recurring theme in biology (and [[2418:_Metacarcinization|conversations with Randall]]).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text are &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;another group &lt;/del&gt;of arthropods with high levels of social &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;organisation, mainly bees and ants&lt;/del&gt;. As such, they are notable for ''not'' &amp;quot;minding their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about the [https://www.nature.com/articles/s41586-025-09425-w extreme forms of behavior eusocial insects sometimes pursue]. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Eusociality has evolved multiple times in the ''{{w|Hymenoptera}}'' alone, as well as in termites. There is no arthropod species that is the ancestor to all the eusocial arthropods and no others. &lt;/del&gt;While there are a number of species of {{w|social &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;spider&lt;/del&gt;}}, there aren't any that meet the strict definition of eusociality.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The {{w|eusocial}} insects mentioned in the title text&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, most prominently bees, ants and termites, &lt;/ins&gt;are &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;other types &lt;/ins&gt;of arthropods with high levels of social &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;organization&lt;/ins&gt;. As such, they are notable for ''not'' &amp;quot;minding their own busines{{asic}}&amp;quot;, as their ancestor arthropod apparently expects. The comment that their descendants &amp;quot;[won't] do anything weird&amp;quot; may be a joke about &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;eusociality being pretty weird to a solitary organism, or may refer to &lt;/ins&gt;the [https://www.nature.com/articles/s41586-025-09425-w extreme forms of behavior eusocial insects sometimes pursue]. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/ins&gt;While there are a number of species of {{w|social &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;spiders&lt;/ins&gt;}}, there aren't any that meet the strict definition of eusociality.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>DKMell</name></author>	</entry>

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