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(B) The formation of a new species,known as speciation,is primarily driven by the accumulation of genetic variations over generations. Variations are

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Variation

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(B) The formation of a new species,known as speciation,is primarily driven by the accumulation of genetic variations over generations. Variations are changes in the $DNA$ sequences of organisms within a population. When these variations accumulate over time and are subjected to natural selection,they lead to reproductive isolation,eventually resulting in the emergence of a new species. Adaptation is a result of natural selection acting on variations,but the fundamental raw material for the origin of new species is variation.

Which characteristic is responsible for the formation of a new species?

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