MCQ
Which of the following limits the number of trophic levels in a food chain?
- ✓Decrease in energy at higher trophic levels.
- BDufficient food supply.
- CPolluted air.
- DWater.
✓
Answer
Correct option: A.
Decrease in energy at higher trophic levels.
There is a loss of energy as we go from one trophic level to the next, this limits the number of trophic levels in a food-chain.
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