The number of trophic levels in a food chain is limited to $4$ or $ 5$ because
The number of trophic levels in a food chain is limited to $4$ or $ 5$ because
- A
The amount of food produced by producer is limited
- B
Consumer’s demand is high
- C
$90\%$ of the food is lost as heat at each transfer between trophic levels
- D
Activity of decomposer is poor
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- [AIPMT 1988]
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