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.

Question

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Allen's Rule states that 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 because having a smaller surface area reduces heat loss in cold climates, helping to conserve body heat.

Populations of Endotherms That Live in Colder Climates Tend to Have