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Author Question: Extraembryonic membranes develop in A) mammals, but not birds or lizards. B) bir (Read 712 times)

sammy

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on: Oct 2, 2013
Extraembryonic membranes develop in
A) mammals, but not birds or lizards.
B) birds, but not mammals or lizards.
C) lizards, but not mammals or birds.
D) mammals and birds, but not lizards.
E) mammals, birds, and lizards.


clippers!

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Reply #1 on: Oct 6, 2013
I remember it was E


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