Their scales most closely resemble teeth in both structure and origin.
A) amphibians
B) nonbird reptiles
C) chondrichthyans
D) mammals
E) osteichthyans
Answer: C
Their scales most closely resemble teeth in both structure and origin.
A) amphibians
B) nonbird reptiles
C) chondrichthyans
D) mammals
E) osteichthyans
Answer: C
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