If in a population, natality is balanced by mortality then there will be.

Decrease in population growth

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Zero population growth

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Increase in population growth

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Over population

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Solution

The correct option is B Zero population growth
The standard formula for calculating growth rate is Gr= N / t. Here, Gr is the growth rate expressed as a number of individuals. N is the total change in population size for the entire time period, also expressed as a number of individuals. Therefore if Birth= Death then N(B-D)=0 hence Gr=0/t=0.
So, the correct option is ' Zero Population Growth'

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