Biology > 2005 > 50
JAMB UTME
An evidence of a common ancestry for fishes, amphibians, reptiles, birds and
mammals is the
mammals is the
A.
possession of wings by birds and bats
B.
cold-bloodedness of fishes, amphibians and reptiles
C.
presence of gill clefts in vertebrate embryos
D.
possession of scales by fishes and reptiles
Answer: C
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