Yes, it keeps them warm.
They have a thick layer of fat so they can keep warm.
Whales and Seals have a layer of fat under their skins which act as an insulator/prevent heat loss from their bodies
by the fat on the bodies and food and water
the fur is not just what keeps a seal warm they also have a thick layer of fat which is called blubber. blubber is one of the reasons why the seals are being clubbed because it is a good source of food.
They have blubber, otherwise known as fat
yes they use it to keep warm.
Their fur is their main defense against the cold. It's well insulated with the fatty layer underneath and is very warm. The body core provides all the warmth they need. Even though they are not black (usually what attracts heat to their body) they can survive in cold harsh winter nights with just their coat.
To keep vital organs warm.
Their layer of body fat and their fur.
They have a layer of blubber to keep themselves warm.
there color of skin and there layer of fat to keep warm
Penguins have a layer of fat to keep themselves warm