OBJECTIVE LIFE SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Contribute to population decrease:
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births and emigration
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births amd immigration
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deaths and immigration
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deaths and emmigration
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Explanation:
Detailed explanation-1: -Mortality (death) and emigration (the movement of individuals out of a population) would decrease the density of a population in a given habitat.
Detailed explanation-2: -There are three components of change: births, deaths, and migration. The change in the population from births and deaths is often combined and referred to as natural increase or natural change. Populations grow or shrink depending on if they gain people faster than they lose them.
Detailed explanation-3: -If emigration is less, then fewer people will go, and hence population density will remain high.
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