Which of the following is logical sequence of carbon cycle:
Correct answer: D. Photosynthesis-consumer-decomposer
- A. Consumer-photosynthesis-decomposer
- B. Decomposer-consumer-photosynthesis
- C. Photosynthesis-decomposer-consumer
- D. Photosynthesis-consumer-decomposer
Explanation
Carbon enters living systems when plants fix atmospheric carbon dioxide by photosynthesis, then passes to consumers and finally to decomposers through feeding and decay. Decomposers return carbon to the atmosphere, completing the cycle.
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