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Which process adds new members to population?

Answer and explanation

Correct answer: Births

Direct answer: Option D, births. Birth is the process by which new individuals are born into a population, so it adds new members in the biological sense. Think carefully about the wording: people entering from another place can increase the population of an area, but they are not newly born members. Option A is wrong because deaths remove people from the population. Option B is wrong because out-migration means people leave an area, reducing its population. Option C can increase the number of residents in the receiving area, but in-migration is movement, not the creation of new members through birth. Option D is correct because births directly add newly born individuals. Memory cue: births create new members; in-migration brings existing members from elsewhere; deaths and out-migration reduce the local number.

Related tags

BirthsIn-MigrationOut-MigrationPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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