Birds and mammals are similar in that
A)both contain species that lay eggs.
B)both are endothermic.
C)both are part of a group of reptiles that includes the dinosaurs and crocodilians.
D)A and B

Question

Quizplus · Accepted Answer

Both birds and mammals lay eggs (although mammals only lay eggs in monotremes such as the platypus), and both are endothermic, meaning they can regulate their own body temperature. Option C is incorrect as birds and mammals are not part of a group of reptiles that includes dinosaurs and crocodilians.

Birds and Mammals Are Similar in That