Which of the following limits the number of trophic levels in a food chain?(a) insufficient food supply from producer level(b) decrease in energy at higher trophic levels(c) increase in the number of organisms at higher trophic levels(d) accumulation of harmful chemicals at higher trophic levels

Correct Answer: (b) decrease in energy at higher trophic levels

Explanation: According to the 10 per cent law, the amount of energy decreases at each trophic level, and hence the number of trophic levels in a food chain is limited.

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Updated on: 18-Jan-2023

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