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Author Question: A trend first observed in the evolution of the earliest tetrapods was A) the app (Read 988 times)

federox

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on: Aug 8, 2013
A trend first observed in the evolution of the earliest tetrapods was
A) the appearance of jaws.
B) the appearance of bony vertebrae.
C) feet with digits.
D) the mineralization of the endoskeleton.
E) the amniotic egg.


theo

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


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