A) reptiles and birds
B) birds and mammals
C) fishes and amphibians
D) reptiles and mammals
Correct Answer: C
Solution :
Amnion is an extra embryonic membrane that surrounds embryo. The animals which lack amnion are known as anamniotes, eg, fishes, amphibians. In a amniota group, we have all animals which have extraembryonic membranes like reptiles, birds and mammals.
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