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In which condition can the direction of natural selection change?

Answer and explanation

Correct answer: When the environment changes and different traits become useful.

Natural selection is context-dependent: a trait that is advantageous in one environment may provide little benefit or even become disadvantageous when conditions change. For example, a change in climate, food availability, or predators can alter which variations improve survival and reproduction. Consequently, the direction of selection may shift toward different traits. Option A is correct; identical organisms provide no variation for selection, and without reproduction or chromosomes the proposed process cannot operate normally.

Related tags

Natural SelectionEnvironmentAdaptationHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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