What is ecological succession?
Ecological Succession

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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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