The minimum number of components required for an ecosystem to survive:
Correct answer: E. Producer and decomposer
- A. Producer and primary consumer
- B. Producer and secondary consumer
- C. Primary consumer and decomposer
- D. Primary and secondary consumer
- E. Producer and decomposer
Explanation
A producer captures energy and a decomposer returns nutrients by breaking down organic matter, allowing a basic ecosystem process to continue. Consumers are important in complex ecosystems but are not essential to this minimum producer-decomposer arrangement.
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