Which of the following statements about extinction is true?

Practice question

Question

Which of the following statements about extinction is true?

Options

Choose one · Correct answer highlighted

Extinction rates are decreasing due to conservation efforts. The current extinction rate is 100–1000 times higher than natural rates. Correct Only large animals are facing extinction threats. Extinction events have never occurred in Earth's history.

Explanation

The present extinction rate is estimated to be 100–1000 times higher than the natural extinction rate because of human activities.

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