Permanent decrease in population number occurs due to permanent decrease in population number occurs

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11.Organisms and Populations

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The permanent decrease in population number occurs due to The permanent decrease in population number occurs due to

A

Migration

B

Natality

C

Emigration

D

Mortality

Solution

Mortality is the death rate per thousand individuals per year. Mortality rate decreases population size and population density.

Standard 12

Biology

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