Which one of the following best describes emigration in the context of population ecology?

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The number of births during a given period in the population that are added to the initial density

The number of deaths in the population during a given period in the population that are removed from the initial density

The number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration.

The number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration.

answer is D.

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Detailed Solution

Emigration refers to the number of individuals of the population who left the habitat and gone elsewhere during the time period under considerationNatality refers to the number of births during a given period in the population that are added to the initial densityMortality refers to the number of deaths in the population during a given period in the population that are removed from the initial densityImmigration refers to the number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration.

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