The Adaptive Diversification of Early Mammals Was Due to

question 69

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.

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