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Question

A phenomenon where a species that used to exist, does not exist anymore is known as ________.

A
extinction
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B
appearance
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C
conservation
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D
withdrawal
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Solution

The correct option is A extinction
The phenomenon where a species, that used to exist in an earlier point of time, does not exist anymore is known as extinction. A species is extinct when the last living members of it die. Extinction becomes a certainty when there are no surviving individuals that can reproduce and create a new generation.

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