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Which of the following limits the number of trophic levels in a food chain? a) Decrease in energy at higher trophic levels b) Deficient food supply c) Polluted air d) Water |
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Answer» tion:According to the 10 per cent law, the amount of energy DECREASES in each trophic LEVEL, and HENCE the number of trophic levels in a food CHAIN is limited. |
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