The initiating force of evolution is

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(C) Evolution is the process of gradual change in the inherited characteristics of a population over successive generations.Variation is considered th

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Variation

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(C) Evolution is the process of gradual change in the inherited characteristics of a population over successive generations.Variation is considered the initiating force of evolution because it provides the raw material upon which natural selection acts.Without genetic variation,there would be no differences between individuals for natural selection to favor,thus making evolution impossible.Therefore,variation is the fundamental requirement that triggers the evolutionary process.

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