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In which situation can natural selection make a trait more common in a population?

Answer and explanation

Correct answer: When the trait gives advantage in survival and reproduction

The governing concept is natural selection, which changes the frequency of heritable variations over generations. If a trait improves an organism’s chances of surviving and reproducing, its bearer may leave more offspring. The trait can therefore become more common, provided it is inherited. Mere body heaviness, lack of inheritance, or equal harm does not provide the selective advantage required, so option A is correct.

Related tags

Natural-SelectionAdaptationHeritable-TraitEvolutionHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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