Question

how to define tropic levels ???​

Answer 1

Answer:

A trophic level is the group of organisms within an ecosystem which occupy the same level in a food chain.  Primary producers are usually plants and algae, which perform photosynthesis in order to manufacture their own food source. Primary producers make up the first trophic level.

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Explanation:

Answer 2

How many tropic levels are there?

four trophic levels

All food chains and webs have at least two or three trophic levels. Generally, there are a maximum of four trophic levels. Many consumers feed at more than one trophic level.

Tropic levels in detail :-

The trophic level of an organism is the position it occupies in a food web. A food chain is a succession of organisms that eat other organisms and may, in turn, be eaten themselves. The trophic level of an organism is the number of steps it is from the start of the chain.

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