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Which process can change population composition even if the total number changes little?

Answer and explanation

Correct answer: Migration

Direct answer: A, migration can change population composition even when the total population changes very little. Population composition describes the characteristics of people, such as age groups, sex groups, occupations, education, or skills. Suppose a similar number of people leave and enter an area. The total may remain almost unchanged, but the incoming and outgoing people may have different ages, occupations, or skills. Therefore the composition changes without a large numerical change. A is correct because migration selectively adds or removes groups. B, C, and D are physical processes; they may influence where people live, but they do not directly move particular human groups and change population composition in the demographic sense. Memory cue: total number tells “how many”; composition tells “who they are.”

Related tags

MigrationPopulation CompositionAge StructureSkillsProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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