A) Only birds and reptiles are oviparous.
B) The large amount of yolk provides the nutrients for the developing embryo.
C) The shell protects the egg from dehydration.
D) Both oxygen and carbon dioxide can diffuse through the shell.
Correct Answer: A
Solution :
[a] The birds and reptiles are not the only oviparous species. A group of mammals, the monotremes, are also egg layers.
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