What effect does the extinction of animals have on biodiversity?

Extinction contributes to an increase in biodiversity.

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Extinction contributes to a decrease in biodiversity.

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Extinction randomly changes biodiversity in one direction or the other.

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Extinction has no impact on biodiversity.

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Solution

The correct option is B Extinction contributes to a decrease in biodiversity.
Extinction means that all individuals of a particular species have died with none left to carry on reproduction. The balance in the ecosystem is disturbed by an extinction and can lead to the decrease of a number of species. This in all leads to a reduction in biodiversity.

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