In an ecosystem why is the number of trophic levels of a food chain usually limited ?
Lower trophic level has lesser energy than the higher trophic level
Because of the loss of energy at each trophic level
Higher trophic level individual can control the lower ones more efficiently
Limited trophic level makes a food chain less vulnerable to parasites
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UPSC CAPF – 2024
– This drastic reduction in available energy at each successive level limits the biomass and population size that can be supported.
– After a few trophic levels, there is insufficient energy remaining to support a viable population of organisms at a higher level, thus limiting the food chain length.