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Author Question: There is evidence that ray-finned fishes evolved A) in response to a crisis that (Read 748 times)

federox

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on: Aug 8, 2013
There is evidence that ray-finned fishes evolved
A) in response to a crisis that wiped out the chondrichthyans.
B) directly from lampreys and hagfish.
C) early in the Cambrian period.
D) directly from lancelets.
E) the swim bladder from a lung.


theo

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Reply #1 on: Aug 10, 2013
Answer has to be E, 150% :D


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