Polar bears lay down a thick layer of fat that it can live off when the ice has thawed and it is not able to catch seals out on the ice. The fat layer and very dense fur keeps the bear warm.
to maintain their body temperature
A polar bear has a layer of fat under its skin which helps it stay warm. It also has a thick layer of fur.The wide, large paws help a polar bear to walk in the snow.When a polar bear swims under water it closes it nostrils so no water can get in.
Polar bears have black skin under which there is a layer of fat that can measure up to 4.5 inches (11.5 centimeters) thick.
there is pink light skin under the polar bears coat
Polar bear
by having a thick layer of skin they can survive up to -37 degrees
by having a thick layer of skin they can survive up to -37 degrees
Muskoxen don't kill polar bears. A polar bear has too thick of fur and a layer of fat to be killed by a muskox. It can, however, be wounded if gored by a muskox's horns.
it helps them by keeping them warm.
It has half inch thick fat. It protects it from the extreme cold in the arctic winters.
blubber
Because a polar bear has thick fur.
A grizzly bear, polar bear