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Author Question: Which of the following are the most abundant and diverse of the extant vertebrat (Read 670 times)

federox

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on: Aug 8, 2013
Which of the following are the most abundant and diverse of the extant vertebrates?
A) ray-finned fishes
B) birds
C) amphibians
D) nonbird reptiles
E) mammals


theo

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Reply #1 on: Aug 10, 2013
Answer has to be A, 100% :D


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