They essentially do what humans do. They eat the food, which in this case is decaying materials (detritus), break down the material chemically and mechanically, absorb the nutrients they need, then excrete the 'waste', which contains other nutrients. Soil is basically clay, sand, silt and decomposer's cr*p.<span />
PYRAMID OF NUMBERS- shows the number of each organism at the different trophic levels (feeding levels ie. producers consumers and decomposers) in a food web.
PYRAMID OF BIOMASS- The biomass of the members of the food chain present at any one time.Pyramid of biomass indicates decrease of biomass in each tropical level from base to apex.
