The structure that is common in the embryos of mammals, amphibians, birds, fishes and reptiles...
BIOLOGY
JAMB 2002
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
Correct Answer: D. gill-silts
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