the polar bear has colourless and transparent fur?! but it seems as if the fur is white!!
Is it due to scattering of light?! explain
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The hair isn't actually white. Their long outer hairs which protect their soft, thick and undercoat are mostly hollow and transparent .The thinner hairs of their undercoat are also colourless .polar bear hair looks white because the air spaces in. the air scatter light of all colours
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it started when bears eventually made it up to colder environments, usually covered in snow. they had to adapt to new hunting skills and techniques. they eventually adapted to the surrounding environment with white fur to blend in with the snow or ice. This is also a form of Selective Breeding, created by Robert Bakewell. Charles Darwin also supported the form.
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