Author Question: In which vertebrates is fertilization exclusively internal? A) chondrichthyans, (Read 856 times)

federox

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In which vertebrates is fertilization exclusively internal?
A) chondrichthyans, osteichthyans, and mammals
B) amphibians, mammals, and reptiles
C) chondrichthyans, osteichthyans, and reptiles
D) reptiles and mammals
E) reptiles and amphibians



theo

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Answer has to be D, trust me!



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