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Q.

The gradual change in a species or population over a while is known by which of the following?

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a

Classification

b

Genetics

c

Variation

d

Evolution

answer is D.

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Detailed Solution

  • Evolution is a gradual process in which a thing changes into a different, complex or better form. 
  • There is a change in the characteristics of species over several generations which also depends on the process of natural selection.
  • The mechanisms involved in evolution include natural selection which acts on the genetic variation among individuals, mutation, migration and genetic drift.
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The gradual change in a species or population over a while is known by which of the following?