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The mass of living material at a trophic level at a particular time is called
A
Gross primary productivity
B
Standing state
C
Net primary productivity
D
Standing crop
Detailed Solution
Standing crop is the mass of living material at a trophic level at a particular time.
Standing state is the amount of inorganic nutrients present at a given time; GPP and NPP are rates of production of organic matter.
Standing state is the amount of inorganic nutrients present at a given time; GPP and NPP are rates of production of organic matter.