CBSE Class 12-science Answered
A food chain has only a few trophic levels. Justify.
Asked by Topperlearning User | 19 Sep, 2016, 06:10: AM
Expert Answer
In a food chain, about 80-90% of energy available with a trophic level is lost during its transfer from one trophic level to the next, so the amount of energy available decreases.
Answered by | 19 Sep, 2016, 08:10: AM
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