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they have fur to keep them warm
Air trapped in their fur keeps them warm
Sea otters are adapted to keep warm by its thick and dense fur. It has two layers of fur; one a water proof guard layer, and then a shorter layer of fur underneath. Unlike most marine mammals, they do not use blubber to keep them warm. So they use their fur instead.
so they dont get cold.
they have a thick lair of fur
Air trapped in their fur keeps them warm
penguins have strong wings so they can swim 'fluffy fur so they keep warm and to keep there eggs and children warm
so they dont get cold.
Cats have fur to keep them warm when they are cold.
because there fur has blubber in it too keep them warm
The fur on their bodies keep them warm.
by there fur that keeps them warm and there horns that they use for defense