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If an area has zero total growth but both in-migration and out-migration are very high, which conclusion is correct?

Answer and explanation

Correct answer: The total number may remain stable, but the population structure may change

The direct answer is B. Total or net growth describes the final change in population size, whereas gross migration describes the amount of movement into and out of an area. If 10,000 people enter and about 10,000 leave, the net migration may be zero, so the total population can remain nearly unchanged. However, the incoming and outgoing groups may differ in age, occupation, income, education or family size. Therefore the social and demographic structure can change even when the total number does not. Option A is wrong because a stable total does not mean an unchanged population. Option C is the opposite of the information given. Option D is wrong because births and deaths may occur independently of migration. Memory cue: net movement can be zero while gross movement is large.

Related tags

Net MigrationGross MigrationPopulation StructurePopulation GrowthPopulation DensityPopulationGeographyClass 9 Mcq

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