Reptile embryos (and their extraembryonic membranes) differ from those of humans in that __________.

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    the reptile chorion exchanges gases between the embryo and the air
    reptile embryos have an extra membrane, the allantois, not found in human embryos
    human embryos have no yolk sac

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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the reptile chorion exchanges gases between the embryo and the air
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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