How can genetic variation and environmental pressures cause a change in an organism

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Biology

Davion Stone

3 July, 02:37

How can genetic variation and environmental pressures cause a change in an organism

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Reina Simpson · Answer 1

For example Bergmann's Rule explains how animals in colder climates are bigger than those in smaller climates. Polar bears are bigger than any other bear because they have to have more heat in their bodies. As the volume to the surface area increases more heat able to conserve. Canadian wolves are known to also grow twice as large than a normal wolves.