How many tropic levels are in the flowing food chain?

Four tropic levels.

Explanation:

Generally, there is a maximum of four trophic levels. Many consumers feed at more than one trophic level. Umm...for example, humans are primary consumers when they eat plants such as vegetables.

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explanation:

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bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )