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Question

What are trophic levels? How many trophic levels can a food chain have?


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Solution

Trophic levels correspond to positions on a food chain.
Producers always belong to the first trophic level.
Consumers that directly eat the producers belong to the second trophic level and so on.
There is no limit regarding the number of trophic levels of a food chain since many orders of consumers can exist.

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