The number of trophic levels in a food chain | vedclass

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(C) According to the $10\%$ law of energy transfer,only about $10\%$ of the energy available at one trophic level is transferred to the next higher tr

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$90\%$ of the energy is lost as heat at each transfer between trophic levels

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(C) According to the $10\%$ law of energy transfer,only about $10\%$ of the energy available at one trophic level is transferred to the next higher trophic level.Most of the energy (about $90\%$) is lost as heat during metabolic activities and respiration at each transfer.Due to this significant loss of energy,there is very little energy left to support higher trophic levels beyond $4$ or $5$ levels.

The number of trophic levels in a food chain is limited to $4$ or $5$ because

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