(i) Create a terrestrial food chain depicting four trophic levels.

(ii) Why do we not find food chains of more than four trophic levels in nature?




Terrestrial food chain:



According to the 10 percent law, only 10% of food energy is transferred from one trophic level to the next level.

Thus, the amount of energy available will not be sufficient for the survival of the organism in the 5 th trophic level. 

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo