- Home
- Standard 12
- Biology
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