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Doubling time is related to what?

Answer and explanation

Correct answer: Time required for population to double from its current size

Doubling time is the period required for a population to become twice its present size. It is linked to the rate of population growth, although the question asks for the meaning of the term rather than a numerical calculation. If growth is faster, the population generally reaches twice its size sooner; if growth is slower, doubling takes longer.

For example, a population of 10 million would become 20 million after one doubling time under the relevant growth conditions. The term does not describe doubling land area, eliminating births, or ending migration. Therefore option A, the time required for population to double from its current size, is correct.

Related tags

Doubling TimePopulation Growth RatePopulation DoublingDemographyPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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