Surviving in the ____ Animals live ____ on Earth, from hot desert to freezing mountains. Their ____ help them to survive. Polar bears have adapted to live in the ____. Thick white fur helps them to ____ and to keep warm. Strong legs help them to ____ and to swim fast in icy water. Paws help them to walk on ____. Some animals have adapted to live in the desert, for example, ____. A ____ on the camel’s back stores fat so the camel can go without food for a long time. Long, thick eyelashes ____ the eyes from the sand and from the sun.

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