Mass of living matter at a trophic level in an area at any time is called
Mass of living matter at a trophic level in an area at any time is called
Detritus
Humus
Standing state
Standing crop
Solution
The amount of living matter present in an ecosystem in its different trophic levels is called standing crop. It is expressed in the form of number or biomass per unit area. Biomass is measured as either fresh weight or dry weight.
Dry weight is preferred over fresh weight as it is not liable to change with moisture content. Standing crop indicates the productivity and luxurience of growth.