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Question

Smallest unit to evolve through natural selection is

A
Cell
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B
Clade
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C
Organism
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D
Population
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E
Species
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Solution

The correct option is D Population
According to Darwin, evolution happens through natural selection which is a differential success in reproduction and adaptation of the organisms to their environment. The population is defined as a group of interbreeding organisms belonging to a particular species and sharing a common geographic area. Thus the smallest unit that can evolve through natural selection is the population. Thus, the correct answer is option D.

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