The polar bear, the largest land predator on the planet with its smell, sight and hearing excellent , webbed Foot help you swim, and clutches of up to ten inches in length will facilitate progress on the ice. dense hairs of fur offer a perfect thermal insulation , like its huge layer of fat up to 10 cm thick. Your skin is black to attract better solar radiation and increase body heat. hair look white but translucent lacks color. The reflected light creates a false sense of whiteness. Actually has lots of air bubbles whose function is to insulate.
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