Which of the following statements about ecological succession is correct?

Practice question

Question

Which of the following statements about ecological succession is correct?

Options

Choose one · Correct answer highlighted

Primary succession begins on existing soil. Secondary succession occurs after a disturbance in an area with existing life. Correct Pioneer species appear at the end of succession. Climax communities are unstable and constantly changing.

Explanation

Secondary succession occurs in areas where an ecosystem existed before but was disturbed, such as after a wildfire.

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