ECOLOGY
PROPERTIES OF POPULATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If immigration and emigration number remain equal, which is the most important contributing factor to a slowed growth rate?
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increase in birth rate
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constant death rate
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decrease in birth rate
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constant birth rate
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Explanation:
Detailed explanation-1: -Answer and Explanation: If immigration and emigration numbers within a population remain equal, the factor that could cause a slowed population growth rate is c) decreased birth rate.
Detailed explanation-2: -Immigration describes individuals moving into the population while emigration describes individuals exiting the population. If immigration rates are higher than emigration rates, the population increases, whereas if emigration rates are higher than immigration rates, the population size decreases.
Detailed explanation-3: -Migration is a determinant factor of population change since it is the movement of people across regions. Hence, it changes the demographics of both regions of arrival and departure.
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