Which of the following limits the number of t | vedclass

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(D) The number of trophic levels in a food chain is limited by the $10\%$ law of energy transfer.According to this law,only about $10\%$ of the energy

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decrease in energy at higher trophic levels

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(D) The number of trophic levels in a food chain is limited by the $10\%$ law of energy transfer.According to this law,only about $10\%$ of the energy available at one trophic level is transferred to the next higher trophic level.The remaining $90\%$ of energy is lost as heat to the environment or used for metabolic activities by the organisms.Due to this significant loss of energy at each step,there is very little energy left to support a higher trophic level after $3$ to $4$ transfers.Therefore,the decrease in energy at higher trophic levels acts as a limiting factor for the length of a food chain.

Which of the following limits the number of trophic levels in a food chain?

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