Within the same species of mammals,there is a tendency to find more heavily pigmented forms near the equator and lighter forms away from the equator.This is known as:

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This pattern is known as Gloger's rule, which states that within the same species of mammals, there is a tendency to find more heavily pigmented forms near the equator and lighter forms away from the equator. Allen's rule refers to the observation that animals from colder climates typically have shorter appendages, while those from warmer climates have longer appendages. Bergmann's rule states that animals from colder climates tend to have larger body sizes than those from warmer climates. Stein's rule is not a recognized rule in biology.

Within the Same Species of Mammals,there Is a Tendency to Find