(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?
Answer:
(i)
Terrestrial food chain:
(ii)
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.
