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Evolution

Question
CBSEENBI12003012
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The best description on natural selection is

  • The reproductive success of the members of a population best adapted to an environment

  • It acts when the resources are unlimited

  • A change in the proportion of variations within a population

  • It follows Hardy-Weinberg principle

Solution

A.

The reproductive success of the members of a population best adapted to an environment

Natural selection is show by the reproductive success of the members of a population best adapted to the environment. The organisms which adapt useful variation successfully survive in changing the environment and reproduce.

Some More Questions From Evolution Chapter

Arrange the following substances in a proper sequence with regard to the formation of chemical constituents at the time of origin of life :

Sugar, methane, nucleic acid and amino acid.

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What is the type of evolution in which the same structure developed along different directions due to adaptations to different needs ?

Name the different eras of geologic time scale.

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