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QUESTION
1. What are trophic levels? How many trophic levels can a food chain have? 2. what is the difference between the idea of a food chain and a food web?...
1. What are trophic levels? How many trophic levels can a food chain have?
2. what is the difference between the idea of a food chain and a food web?
3. What are the three main types of trophic pyramids studied in ecology
In giving the response to the two questions be brief to the point.
