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Question

When organisms change their location to escape from harsh environment, it is called

A
hibernation
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B
vernalization
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C
migration
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D
aestivation
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Solution

The correct option is C migration
The seasonal movement of populations of animals to a more favourable environment to escape from harsh environment is called migration. It is usually in response to uneven precipitation and lower temperatures resulting in a reduced food supply and is often triggered by a change in day length. Migration is common in mammals, fish and some insects but is most marked in birds.

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