- Energy transfer between trophic levels is inefficient. - Approximately 90% of energy is lost at each step. - The decrease in available energy limits the length of food chains.
Which of the following limits the number of trophic levels in a food chain ?
Asked in UPSC CDS 2 2021 · Topic: Ecology (Ecosystem Functions: Productivity, Energy Flow, Trophic Levels)
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Answer: C. Decrease in the available energy at higher trophic levels
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