Question

differentiate b/w : rn i) litter and detritus ii) food chain and food web.

Answer 1

!)Litter-i)litter consists of all types of wastes produced above ground.ii)litter consists in both biodegradable & non-biodegradable matter.
Detritus-i)It is composed of remains of dead plants & animals.ii)It consists only biodegradable matter.

2)Food Chain-i)It's a single linear sequence of organisms.ii)Members present at high tropic levels feed on single kinds of organisms.
Food web-i)It contains no. of interconnected food chains.ii)An organism has alternate food sources.