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Question

Organisms show migration in order to avoid unfavorable conditions of

A
temperature
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B
food availability
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C
precipitation
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D
All of these
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Solution

The correct option is D All of these
The seasonal movement of complete populations of animals to a more favorable 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. (e.g. porpoises), fish (e.g. eels and salmon) and some insects but is most marked in birds.

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