WebAdapting to Arctic life. For instance, there are signs of selection in genes associated with the most obvious and striking adaptation in polar bears: their coat color. Brown bears can have fur ranging in color from dark … Web1 de abr. de 2015 · Zoologists believe that the polar bear evolved from a species of brown bears in Siberia, making polar bears the eighth species of bears. With the shifting of polar ice caps and glaciers, the brown bear species native to that area was forced to adapt to the new environment, undergoing physical body changes to keep warm in the brutally cold ...
Polar Bears and Climate Change Pages WWF - World …
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Polar Bear Adaptations Activity - YouTube
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