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Evolution by Natural Selection

The type of n...

Question

The type of natural selection in which new species evolve due to the extreme forms of trait being favoured by nature while intermediate forms are selected against.

A

Artificial selection

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B

Directional selection

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C

Targeted selection

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D

Disruptive selection

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E

Stabilizing selection

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Solution

The correct option is C Disruptive selection

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Similar questions

Q. Read the following statements
I) Directional selection occurs when natural selection favours one extreme of continuous variation.
II)Disruptive selection occurs when natural selection favours both extremes of continuous variation.
III) In directional selection, a population's genetic variance shifts toward a new phenotype when exposed to environmental changes.
IV)Random changes in gene frequencies due to chance in large population is called genetic drift.
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Q. When natural selection acts to eliminate the extreme phenotypes and favours the intermediate phenotypes in a population, it is termed as-

Q. In the image given below, (b) represents a population formed due to which type of natural selection?

Q. Assertion :As favourable variations are transmitted from generation to generation, successive generations become better adapted to the environment, more over, new adaptations may arise due to changing environment. In this way, the adaptive traits preserved by natural selection, will gradually change the characteristics of a species. Reason: This explains the origin of species.

Q. Natural selection is the gradual, non-random process by which biological traits become either more or less common in a population. Who proposed the theory of 'natural selection'?

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