Gujarati
Hindi
11.Organisms and Populations
medium

Periodic departure and return of an individual in a population is known as

A

Immigration

B

Migration

C

Emigration

D

Mutation

Solution

Migration It is the temporary departure and return of organism due to unfavourable condition of the environment $e . g .,$ bird migration from Siberia and other extremely cold Northern region

Whereas, immigration and emigration are the permanent phenomena

Standard 12
Biology

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medium
(AIIMS-2009)

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