Ecological Succession

Ecological Succession

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is ecological succession?

Back

Ecological succession is the process by which ecosystems change and develop over time, involving a series of stages that lead to a stable community.

2.

FLASHCARD QUESTION

Front

What are pioneer species?

Back

Pioneer species are the first organisms to colonize previously disrupted or damaged ecosystems, helping to create soil and establish conditions for other species.

3.

FLASHCARD QUESTION

Front

What is primary succession?

Back

Primary succession occurs in lifeless areas where soil has not yet formed, such as after a volcanic eruption or glacier retreat.

4.

FLASHCARD QUESTION

Front

What is secondary succession?

Back

Secondary succession occurs in areas where a disturbance has destroyed an existing ecosystem but soil and some organisms still remain, such as after a forest fire.

5.

FLASHCARD QUESTION

Front

What is a climax community?

Back

A climax community is a stable and mature ecological community that undergoes little change in species composition.

6.

FLASHCARD QUESTION

Front

How do pioneer species contribute to soil formation?

Back

Pioneer species, like lichens and mosses, break down rocks and contribute organic material, which helps form soil.

7.

FLASHCARD QUESTION

Front

What role do grasses play in succession after a disturbance?

Back

Grasses are often the first plants to return after a disturbance, helping to stabilize the soil and provide habitat for other species.

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