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How can geographical isolation help in evolution?

Answer and explanation

Correct answer: Different changes can accumulate in separated groups

Geographical isolation separates populations by barriers such as mountains, rivers, or distance and reduces gene flow between them. Because each group faces its own mutations, variations, selection pressures, and environmental conditions, different changes can accumulate over generations. Reproductive differences may eventually lead to speciation, so option A is correct. Isolation does not make organisms instantly identical, erase chromosomes, or always remove food.

Related tags

Geographical-IsolationSpeciationEvolutionFunctional GroupsCarbon And Its CompoundsScienceClass 10 Mcq

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