Editing 2601: Instructions/Audio Transcript
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| − | :: A turtle’s shell is a modified rib cage and part of its vertebral column, according to the Animal Diversity Web at the University of Michigan. The top part of the shell is called the carapace and the bottom is called the plastering. According to the San Diego Zoo, the shell is made up of about 60 bones that are covered by plates called | + | :: A turtle’s shell is a modified rib cage and part of its vertebral column, according to the Animal Diversity Web at the University of Michigan. The top part of the shell is called the carapace and the bottom is called the plastering. According to the San Diego Zoo, the shell is made up of about 60 bones that are covered by plates called scoots. Scoots are made of keratin, the same material that makes up humans’ fingernails. |
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