The back and forth movements of chemical elements, between organisms and environment along characteristic circular paths and known as:
Correct answer: D. Biochemical cycles
- A. None of these
- B. Ecological cycles
- C. Chemical cycles
- D. Biochemical cycles
Explanation
Biochemical cycles describe the circulation of elements such as carbon, nitrogen and phosphorus between organisms and the physical environment. They are also commonly termed biogeochemical cycles.
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