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Question
What type of human population is represented by the following age pyramid ?
What type of human population is represented by the following age pyramid ?
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Solution
The correct option is D Decline populaition
Using an age pyramid whether a population is expanding, stable or declining can be determined.
In an age pyramid, the data is divided by gender, with males on one side and females on the other and each stack is the population number or population percentage in an age interval.
Age pyramids with a broader base, that is large number of individuals in the pre-reproductive and reproductive stages indicate an expanding population. When the number of individuals are more or less equal in all age classes, it indicates a stable population, and when the base is narrow with lesser pre-reproductive individuals as seen here, it indicates a declining population.
Therefore, the given figure represents a declining population.
Using an age pyramid whether a population is expanding, stable or declining can be determined.
In an age pyramid, the data is divided by gender, with males on one side and females on the other and each stack is the population number or population percentage in an age interval.
Age pyramids with a broader base, that is large number of individuals in the pre-reproductive and reproductive stages indicate an expanding population. When the number of individuals are more or less equal in all age classes, it indicates a stable population, and when the base is narrow with lesser pre-reproductive individuals as seen here, it indicates a declining population.
Therefore, the given figure represents a declining population.
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