teagan4christ teagan4christ

21-03-2017
Biology

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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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Аноним Аноним

21-03-2017

d. an inner skeleton made of bone or cartilage

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gegdbudbuw gegdbudbuw

21-03-2017

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

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