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Why is evolution considered a process across generations rather than one individual's lifetime?

Answer and explanation

Correct answer: Because inherited changes accumulate in populations across generations.

Evolution is a change in the inherited characteristics of a population over successive generations. An individual may change during its lifetime because of growth, learning, exercise, or environmental effects, but such acquired changes generally do not alter the population’s hereditary makeup. Evolution requires heritable variation, reproduction, and changes in trait frequencies over time. Therefore option A is correct; the other choices confuse individual development with population evolution.

Related tags

EvolutionGenerationsPopulationHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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