what is the most important role of organisms in biogeochemical cycles?
A. materials follow a cyclic path in the ecosystem
b. decomposers is the end part of every food chain
c. primary consumers takes more energy than the secondary consumers
d. biotic factors bring back the essential materials to the environment through respiration or decomposition
Answers & Comments
Answer:
D. biotic factors bring back the essential material to the environment through respiration or decomposition
Explanation:
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