Question

Why food chains generally consist of three to four steps only?

Answer 1

Answer:

Here is your answer .

Explanation:

The food chain generally consists of four to five steps only because according to 10% law only 10% of energy is transferred from one trophic level to next trophic level . So, there is not much energy left for more than four or five trophic level .

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Answer 2

Answer:

Since so little energy is available for the next level of consumers, and for this reason food chains generally consist of only three or four steps. The loss of energy at each step is so great that very little usable energy remains after four trophic levels.

Explanation: