Multiple choice The layer of fat under the skin of a polar bear act as _______ for the body. insulators filters mimic absorbent and coolant Reveal answer Fill a bubble to check yourself A Correct answer Explanation Polar bears live in the polar regions where the temperature may go down to -370C. To survive in these conditions, their body is covered with a layer of fat under the skin. This acts as a heat insulator and does not allow the body heat to escape.