The structure that is common in the embryos of mammals, amphibians, birds, fishes and reptiles and which is an evidence of their common ancestry is the
a
eye
b
chorion
c
allantois
d
gill-silts
Explanation
Correct Option
dNo explanation available
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0xEsteem
4 years ago
gill slit is correct, it is found in the embryos of mammals, pieces, amphibians, and reptiles... that's an evidence for common ancestry





