Question
- Trace the succession of plants on a dry bare rock.
- How does phosphorus cycle differ from carbon cycle?
✓
Answer
- Primary succession - lichens, secrete acids to cause weathering of rock and soil formation, Small plants like bryophytes, to hold the soil, Herbs, scrubs, shrubs succeed in existence, Trees, forest, climax community.
- No respiratory release of phosphorus unlike $CO_2$ in carbon cycle/No gaseous exchange.
- Inputs of phosphorus through rainfall is less than carbon input.
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