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Posts: 3560
13 years ago
Extraembryonic membranes develop in     
A) birds, but not mammals or lizards.
B) mammals and birds, but not lizards.
C) mammals, birds, and lizards.
D) mammals, but not birds or lizards.
E) lizards, but not mammals or birds.
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13 years ago
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ThePsychic,  aussie
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