Multiple Choice
The adaptive diversification of early mammals was due to
A) their homeothermic advantage.
B) their metabolic efficiency that allowed lower food consumption per unit of body mass.
C) the independence of their young.
D) the extinction of many competing amniote groups at the end of the Cretaceous.
E) their larger size which made them better predators.
Correct Answer:

Verified
Correct Answer:
Verified
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