| Litter | Detritus |
|---|---|
| $1$. Litter contains all kinds of wastes generated above the ground,often including human-made materials. | $1$. Detritus is specifically composed of the remains of dead plants (fallen leaves,bark,flowers) and animals (fecal matter,carcasses). |
| $2$. Litter can contain both biodegradable and non-biodegradable matter (like plastic or glass). | $2$. Detritus consists only of organic,biodegradable matter that can be broken down by decomposers. |
| Primary Productivity | Secondary Productivity |
|---|---|
| $1$. It is the amount of organic matter (biomass) produced by producers (green plants) per unit area over a period of time through photosynthesis. | $1$. It is the rate of formation of new organic matter by consumers (herbivores and carnivores) over a period of time. |
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