Ecological Succession

Ecological Succession

Assessment

Interactive Video

Biology, Social Studies, Geography, Science, Life Skills

11th Grade - University

Hard

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Mr. Andersen explains ecological succession, a process where life returns after a disturbance. He divides it into primary succession, occurring on bare rock without soil, and secondary succession, where soil remains after a disturbance. Examples include lava flows and Mount St. Helens for primary succession, and forest fires in Yellowstone Park for secondary succession. Pioneer organisms play a crucial role in secondary succession. The video emphasizes the predictable nature of succession and the role of various species in the process.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the role of disturbances in secondary succession.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What factors contribute to life returning after a disturbance?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are pioneer organisms and why are they important?

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