The significance of ecosystem lies in:
Correct answer: A. Both (a) & (b)
- A. Both (a) & (b)
- B. Cycling of matters
- C. Flow of energy
- D. None of the above
Explanation
An ecosystem is sustained by one-way energy flow through trophic levels and the repeated cycling of nutrients such as carbon and nitrogen. Energy is lost as heat, whereas matter is recycled between organisms and the physical environment.
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