The material for organic evolution is

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(C) Organic evolution is driven by changes in the genetic material of a population over time.Mutations are sudden,heritable changes in the $DNA$ seque

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Mutation

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(C) Organic evolution is driven by changes in the genetic material of a population over time.Mutations are sudden,heritable changes in the $DNA$ sequence that introduce new genetic variations into a population.These variations serve as the raw material upon which natural selection acts,leading to evolutionary change.Therefore,mutation is the fundamental source of genetic variation required for organic evolution.

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