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.
because there fur has blubber in it too keep them warm
so they dont get cold.
They have a waterproof coat and a layer of fat underneath it to keep them warm.
One way is that their fur is really dense to keep the warmth in.
Air trapped in their fur keeps them warm
The mother protects the baby, by holding and keeping warm.
Sea otters live in subtropical to arctic waters on the Pacific coast.They live in very cold weather.
That is the way they have adapted, it is the same as asking why a fish lives in water.
Their oily skin keeps them warm in the cold waters.Also they have thick fur to keep warm.
They groom there fur because it needs to be clean to keep the otters warm. and it has a pouch under its armpit to hold rocks which they use for cracking shells of animals they eat
Sea otters have incredibly dense fur, to keep it in tip top condition they groom it at every opportunity. This causes air to get trapped between the hair strands, helping to form a barrier to stop very cold water from reaching their skin, which in turn helps to keep them warm.