Question
Distinguish between : Carbon cycle and phosphorus cycle.

Answer

Carbon cyclePhosphorus cycle
1. Carbon cycle is a gaseous cycle.1. Phosphorus cycle is a sedimentary cycle.
2. Carbon cycle has higher speed.2. Phosphorus cycle is very slow.
3. There is respiratory release of CO2 in carbon cycle.3. There is no respiratory release of phosphorus.
4. Atmospheric inputs of carbon through rainfall are larger.4. Atmospheric inputs of phosphorus through rainfall are much smaller.
5. Exchanges of phosphorus between organism and environment are negligible in carbon cycle due to photosynthesis and respiration.5. Exchanges of phosphorus between organism and environment are negligible in phosphorus cycle.

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