Question
Which type of succession occurs on bare rock or newly formed sand dunes? a. Secondary succession b. Primary succession c. Pioneer species d. Climax community
Ask by Bond Park. in the United States
Dec 26,2024
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Answer
Primary succession occurs on bare rock or newly formed sand dunes.
Solution
The correct answer is:
**b. Primary succession**
**Explanation:**
- **Primary succession** occurs in environments where no soil or organic matter exists initially, such as on bare rock surfaces, newly formed sand dunes, or areas left from retreating glaciers. This type of succession begins with pioneer species that can survive in harsh conditions and gradually build up soil, allowing for more complex communities to develop over time.
- **Secondary succession** involves areas where a community has been disturbed but where soil and some organisms still remain (e.g., after a forest fire or agricultural land being abandoned).
- **Pioneer species** are the first organisms to colonize a barren environment during primary succession, but they are not a type of succession themselves.
- **Climax community** refers to the final, stable community in a succession process, representing a mature ecosystem.
**Therefore, primary succession is the process that occurs on bare rock or newly formed sand dunes.**
**Answer:**
b. Primary succession
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Primary succession occurs on bare rock or newly formed sand dunes, where life begins anew in an area devoid of soil. This process starts with pioneer species, like lichens and mosses, that can tolerate harsh conditions and help break down rocks into soil over time, paving the way for more complex plants and ecosystems. As these first inhabitants establish themselves, they create a more hospitable environment, allowing newer species to arise and thrive. This gradual transformation continues until a climax community—a stable ecosystem—forms, showcasing the beauty and resilience of nature as it evolves over time!
