Key differences, features, and comparative analysis of Step and What happens.
| Step | What happens | Who does it |
|---|---|---|
| 1. Fragmentation | Detritus is broken down into smaller particles | Detritivores — e.g., the earthworm |
| 2. Leaching | Water-soluble inorganic nutrients go DOWN into the soil horizon and get precipitated as UNAVAILABLE salts | Water (physical process) |
| 3. Catabolism | Detritus is degraded into simpler inorganic substances | Bacterial and fungal ENZYMES |
| 4. Humification | Leads to the accumulation of HUMUS — a dark-coloured amorphous substance | Occurs in the soil |
| 5. Mineralisation | Humus is further degraded and inorganic nutrients are RELEASED | Some microbes; occurs in the soil |
This comparison table is part of the chapter notes for Ecosystem. Get complete notes, flashcards, active recall sheets, and test prep modes: