by the fat on the bodies and food and water
the Hawaiian Monk Seals were killed by humans, for their fur and fat.
They have blubber, otherwise known as fat
Proteus
Yes, it keeps them warm.
Seal oil is made from the fat of seals. It is rich in Omega 3 fatty acids but many seals are endangered animals.
Seals have a thick layer of blubber, or fat, under the skin, which insulates them from the cold in the water and on ice or land.
A thick layer of blubber (fat) which insulates them from the cold.
Whales and Seals have a layer of fat under their skins which act as an insulator/prevent heat loss from their bodies
Seals have a thick layer of fat around their bodies, plus oily, waterproof fur to help insulate them.
They have a thick layer of fat so they can keep warm.
Blubber is fat. THeir bodies will make it, just like our bodies, if they get enough to eat.