In population density, . . . . . . and . . | vedclass

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(C) Population density $(N)$ is affected by four basic processes. The two factors that contribute to an increase in population density are:$1$. Natali

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Birth-rate,immigration

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(C) Population density $(N)$ is affected by four basic processes. The two factors that contribute to an increase in population density are:$1$. Natality (Birth-rate): The number of births during a given period in the population that are added to the initial density.$2$. Immigration: The number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration.Conversely,mortality (death rate) and emigration decrease the population density. Therefore,the correct option is $C$.

In population density, . . . . . . and . . . . . . increase the population.

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