The pyramid of biomass for a grazing food chain represents.

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A gradual decrease in biomass from apex to base.

A gradual decrease in biomass from producers to tertiary consumers

A gradual increase in biomass from producers to tertiary consumers.

No change in biomass.

answer is B.

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Detailed Solution

Concept- The biomass of the distinct members of the food chain that are present at any given time position makes up the biomass aggregate. The total biomass shows a decline in biomass from the base to the apex of each trophic rank. It is largely upright.
For a grazing food cycle, the total biomass is upright. The trophic conditions are placed in pushing order in the upright biomass aggregate.
The biomass is at its highest at the base or bottom, where directors are positioned, whereas it is at its lowest at the top, where tertiary consumers are positioned.
The pushing trophic position in the aggregate of the grazing food chain is represented by a gradual decline in biomass from directors to tertiary consumers.
Hence, the correct answer is option 2.

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