In an ecosystem why is the number of trophic levels of a food chain usually limited?

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Q: 71 (CAPF/2024)
In an ecosystem why is the number of trophic levels of a food chain usually limited?

question_subject: 

Ecology

question_exam: 

CAPF

The number of trophic levels in a food chain is limited due to energy loss at each level, typically around 90% of the energy is lost, leading to less energy available at higher levels.