Answer:
There is less biomass in the higher up on the pyramid due to the utilization of energy by the organisms from the second tropic level because the in the first tropic level green plants or producers are present.
Explanation:
During the transfer of biomass from one tropic level to the next one most of them(biomass) are utilized by the organism of the upper tropic level.
As a result amount of biomass decreases as the energy flows from one tropic level to the next one.
There cannot be equal amount of organism at each tropic level because if the same thing happens then the flow of energy cannot be possible to the upper most topic level as every organism of each tropic level will eat the organism of it"s lower tropic level and biomass will be consumed in high rate in second and third tropic levels.Finally there will be no biomass left to be transferred to the fourth or the upper most tropic level.This will hamper the normal energy flow.
Due to energy losses there is loss of biomass higher up the pyramid and equal amount of organisms cannot be supported at each trophic level.
In moving from one trophic level to the next higher, their is a loss of energy.
Due to this energy loss, there is less biomass going higher up the pyramid.
Due to energy losses in going from one trophic level to the next, the all trophic levels cannot support equal number of organisms.
Therefore, due to energy losses there is loss of biomass higher up the pyramid and equal amount of organisms cannot be supported at each trophic level.
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