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Why is geographical distance alone not always enough for forming a new species?

Answer and explanation

Correct answer: Because genetic changes and reproductive isolation may also be needed

Geographical distance can reduce contact and interbreeding, but it does not automatically create a new species. Over generations, separate populations must accumulate heritable genetic differences, and reproductive isolation must prevent successful interbreeding when they meet again. Environmental selection and other evolutionary processes may contribute to this divergence. Therefore option A is correct; the other choices make absolute or scientifically false claims about distance.

Related tags

SpeciationReproductive IsolationGenetic VariationEvolution And SpeciationHeredity And EvolutionScienceClass 10 Mcq

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