Several aspects of the size and shape of animals’ bodies vary depending on where

Question

Several aspects of the size and shape of animals’ bodies vary depending on where in the world they live. One common pattern among animals, known as Bergmann’s Rule, is that species that live closer to the equator tend to have a lower body mass (i.e. weight) on average than animals that live closer to the poles. Another pattern, known as Allen’s Rule, is that animals that live near the equator tend to have longer, thinner appendages (e.g. legs, ears, etc.) than animals that live closer to the poles. Based on what you know about animal anatomy and physiology, why do you think these two patterns exist? Might they apply to humans?

Explanation / Answer

An abundant food supply sexual selection for bigger males encounter with competitors led to bigger bodies. Yes it also applies in human

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