Adaptation of Animals to Extremely Cold Climate


 
 
Concept Explanation
 

Adaptation of Animals to Extremely Cold Climate

Extremely cold climate: Animals in this region keep their bodies warm by layers of fat deposit. Some large fish and mammals keep their bodies warm by excessive muscular activity and thick, waterproof fur.

1.    Polar bears:

  • Polar bears have a thick layer of fat called “blubber” under the skin, which keeps their bodies warm and insulated from cold.
  • The white fur of the polar bear act as good insulator against the cold.
  • Female polar bears dig dens in the snow where they might hibernate i.e. remain inactive or dormant, during the worst part of the winters.
  • 2.   Penguins:

  • They huddle together in groups to stay warm and fight their enemies.
  • The male penguins huddle together to protect the eggs laid by the females from the cold.
  • 3.   Arctic fox:  Arctic hare usually have furry paws and furry ears. The furry paws act as snow shoes and help them to move in the snow easily. 

    Polar Region:

    Polar Region is at high latitude and hence do not receive adequate sunshine. Due to this, temperature is vary low in the Polar Regions. The Polar Region is covered with snow, because of the low temperature.

    Sample Questions
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    Question : 1

    What helps polar bear to survive in polar regions ?

    Right Option : D
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    Question : 2

    In order to stay buoyant, some aquatic animals have a thick layer of fat. Where do you think seals store their fat ?

    Right Option : A
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    Question : 3

    Which of the following features adapt polar bears to live in extremely cold climate?

    Right Option : A
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