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The blubber protects the walrus from the cold.
The thick layer of blubber round their body is to insulate the walrus from the intense cold.
They use it to protect themselves from the cold, and from injury.
It has blubber
to keep warm
3ft
Walrus live in very cold water with ice. The blubber acts as a store of energy and also fat is a good insulator and traps heat inside the Walrus' body. This keeps them warm. Note, many marine mammals (whales, seals etc.) also use blubber in this way.
Blubber
the body structure of a walrus is I don't exactly knoow
keeps it warm
To protect themselves from the cold.
flippers and a layer of blubber.