They are the Polar Ice Caps and they are not as thick as they used to be.
Continental glaciers.
they have a thick layer of blubber to help them to survive and also a thick coat of fur
They have a thick layer of blubber to keep them warm.
A resistance to cold. Seals have thick layers of blubber, penguins have a thick layer of feathers.
blubber
thick layer
They are called ice sheets and/or continental glaciers if they cover more than 50,000 square kilometers of land area.continental
blubber
The epidermis contains the corneum lucidum, but that lucidum layer is only found in the thick skin of the palms and soles.
The ice sheet exceeds 1500 meters in both of these ice sheets, with the Arctic ice sheet referring to the Greenland Ice Sheet.
because they have thick skin
They have a thick layer of blubber to keep them warm and they migrate north for the winter when it gets cold and there is less krill to feed on