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Question

Which of the following comprises the standing crop of an ecosystem?
Options:
A .  Total living material
B .  Total detritus
C .  Both (a) and (b)
D .  Total nutrients present in the crop
Answer: Option A
:
A
Each trophic level in an ecosystem has a certain mass of living material at a particular time called as the standing crop. The standing crop is measured as the mass of living organisms (biomass)in a unit area. The biomass of a species is expressed in terms ofdry weight.Standing crop is the total biomass of an ecosystemat a given time.

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