Ecological Succession Worksheet
Explore the process of ecological succession, including primary and secondary succession, pioneer species, and climax communities, with this Grade 7 science worksheet.
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Ecological Succession Worksheet
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Read each question carefully and answer to the best of your ability. Good luck!
1. What is ecological succession?
The study of ecosystems.
A gradual process of change and replacement of species in a community.
The movement of animals from one habitat to another.
The process of animals adapting to their environment.
2. Which type of succession begins in an area where no soil exists?
Secondary succession
Primary succession
Climax succession
Pioneer succession
3. The first species to colonize a barren environment are called species.
4. A stable, mature community that undergoes little or no change is called a community.
5. Describe an example of an event that would lead to secondary succession.
6. Observe the diagram below showing stages of ecological succession. Then answer the question.
Based on the diagram, what generally happens to the biodiversity of an ecosystem as succession progresses?
7. Primary succession occurs faster than secondary succession because there is no existing soil.
True
False
8. Lichens are often pioneer species in primary succession.
True
False
Match the term on the left with its definition on the right.
9. Pioneer Species
a. A stable, mature ecological community.
10. Climax Community
b. The first species to colonize a new or disturbed area.
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