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which of the following is a characteristic of vertebrates? A. stinging cells B. an inner skeleton made of bone or cartilage C. a hard exoskeleton made of chitin D. a hard outer shell

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7 votes
the correct answer would be B. an inner skeleton made of bone or cartilage.

User Jazuly
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5 votes
d. an inner skeleton made of bone or cartilage
User Ali Bdeir
by
8.3k points

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