The Natural Selection Theory of Darwin is obj | vedclass

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(A) Darwin's theory of Natural Selection faced criticism primarily because it could not explain the origin of variations. While Darwin emphasized that

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Stresses upon slow and small variations

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(A) Darwin's theory of Natural Selection faced criticism primarily because it could not explain the origin of variations. While Darwin emphasized that evolution occurs through the accumulation of small,continuous,and heritable variations,he failed to provide a mechanism for how these variations arise or how they are inherited. The theory focused on the survival of the fittest but lacked the genetic basis (which was later explained by the Mutation Theory of Hugo de Vries and the synthesis of genetics with evolution) to account for the source of these variations.

The Natural Selection Theory of Darwin is objected to,because it:

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Assertion : Natural selection is the outcome of difference in survival and reproduction among individuals that show variation in one or more traits.
Reason : Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.

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