The mass of living material at a trophic level at a particular time is called the:
AStanding crop
BStanding clock
CStanding cliff
DStanding chair
Answer & Solution
Correct answer: A. Standing crop
1. Each trophic level holds a certain quantity of living matter.
2. That quantity is measured at one moment in time.
3. It is called the standing crop.
4. So the answer is standing crop.
_Source: NCERT Class XII Biology, Ch 12 'Ecosystem'_
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