Answer: Fragmentation, leaching, catabolism, humification and mineralisation.
- A Fragmentation, leaching, catabolism, humification and mineralisation
- B Humification, fragmentation, leaching, catabolism
- C Leaching, mineralisation, fragmentation, catabolism and humification
- D Catabolism, humification, leaching, fragmentation
Correct answer: A. Fragmentation, leaching, catabolism, humification and mineralisation
Explanation: Decomposition proceeds through fragmentation of detritus, leaching of soluble nutrients, catabolism by enzymes, then humification and mineralisation.
Energy pyramid showing a simple food chain (producer to herbivore to carnivore) with energy decreasing roughly tenfold at each trophic level.
Concept context
Ecosystems, food chains, energy flow, nutrient cycles, biodiversity, and conservation.