500
                                The animals that live in Antarctica are protected from the cold.  Whales have a layer of fat to protect them.  Fish have special blood that protects them from freezing in the water.  Birds, such as penguins, have waterproof feathers.
                                Whales have a layer of fat to protect them.  Fish have special blood that protects them from freezing in the water.  Birds, such as penguins, have waterproof feathers.