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Q. Mass of living matter at a trophic level in an area at any time is called

AIPMTAIPMT 2011Ecosystem

Solution:

Standing crop is the total amount of living material in a specified population at a particular time, expressed as biomass (standing biomass) or its equivalent in terms of energy. The standing crop may vary at different times of the year; for example, in a population of deciduous trees between summer and winter. consumption due to respiration and predation. Therefore, net productivity decreases with each trophic level.