Populations of endotherms that live in colder climates tend to have shorter ears and limbs than populations of the same species in warm climates. This is called ____________ Rule.

Populations of endotherms that live in colder climates tend to have shorter ears and limbs than populations of the same species in warm climates. This is called ____________ Rule.

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Populations of endotherms that live in colder climates tend to have shorter ears and limbs than populations of the same species in warm climates. This is called ____________ Rule. 



A. Allen's
B. the K-Selected
C. the r-Selected
D. Edward's



Answer: A


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