Natality of a region is assessed by the rate | vedclass

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(D) Natality refers to the number of births in a population during a given period. It is defined as the number of births per unit area per unit time.

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Births

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(D) Natality refers to the number of births in a population during a given period. It is defined as the number of births per unit area per unit time. $1$. Immigration $(I)$ is the number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration. $2$. Emigration $(E)$ is the number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration. $3$. Mortality is the number of deaths in the population during a given period. $4$. Natality is the number of births in the population during a given period. Therefore,the correct option is $D$.

Natality of a region is assessed by the rate of . . . . . . of individuals per unit area,per unit time.

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