The Effects of Disturbances on Ecosystems

The Effects of Disturbances on Ecosystems

Assessment

Interactive Video

Geography, Science, Biology

6th - 9th Grade

Hard

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Ecosystems undergo growth and change until reaching stability, but disturbances like volcanoes can disrupt this balance. Primary succession occurs when an ecosystem starts anew after being completely destroyed, while secondary succession happens when some elements survive and regrow. Both processes lead to the formation of a stable ecosystem over time.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the state of equilibrium in an ecosystem?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What are some examples of extreme disturbances that can affect ecosystems?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of primary succession after a volcanic eruption.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What remnants are left behind after disturbances like logging or forest fires that aid in regrowth?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does secondary succession differ from primary succession?

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