At which of the following levels is the energ | vedclass

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(D) According to the $10\%$ law of energy transfer in an ecosystem,only about $10\%$ of the energy available at one trophic level is transferred to th

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$S$

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(D) According to the $10\%$ law of energy transfer in an ecosystem,only about $10\%$ of the energy available at one trophic level is transferred to the next higher trophic level.As energy moves from producers $(P)$ to primary consumers $(Q)$,secondary consumers $(R)$,and finally to tertiary consumers $(S)$,a significant amount of energy is lost as heat at each step.Therefore,the energy available decreases as we move up the food chain.In the given food chain,$S$ represents the highest trophic level (tertiary consumer),and thus it will have the lowest amount of energy available.

At which of the following levels is the energy the lowest?

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