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marshall27 [118]
3 years ago
8

According to embryology, why do fish and birds have a common ancestor?

Biology
2 answers:
Elan Coil [88]3 years ago
5 0
Onesimilarity is that they having very similar embryo's!
Salsk061 [2.6K]3 years ago
3 0
Fish, reptiles, birds, and mammals have very similar embryos with gill slits and tales, but all but fish get rid of the gills as they mature
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