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Author Question: In all vertebrate animals, development requires A) a large supply of yolk. B) an (Read 687 times)

sammy

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on: Oct 2, 2013
In all vertebrate animals, development requires
A) a large supply of yolk.
B) an aqueous environment.
C) extraembryonic membranes.
D) an amnion.
E) a primitive streak.


clippers!

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Reply #1 on: Oct 6, 2013
For sure it has to be B Mark as solved once you're done!


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