1.

Which shows the order in which vertebrates evolved?_x005F_x000D_  _x005F_x000D_

A. fish, reptiles, amphibians, birds, mammals_x005F_x000D_
B. amphibians, fish, reptiles, birds, mammals_x005F_x000D_
C. amphibians, fish, birds, reptiles, mammals_x005F_x000D_
D. fish, amphibians, reptiles, birds, mammals
Answer» E.


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