Neco Model Questions Vol1 2021 Biology Question 6
Practice objective / multiple choice question 6 from the 2021 Neco Model Questions Vol1 Biology examination.
A lake has a primary productivity of \(8000\) kcal m\(^{-2}\) yr\(^{-1}\) and covers an area of \(2\) km\(^2\). Energy transfer efficiency between successive trophic levels is \(10\%\). An herbivorous fish needs \(2000\) kcal per individual per year and a piscivorous bird needs \(5000\) kcal per individual per year. Assuming a steady‑state ecosystem with only three trophic levels (plants → fish → bird), what is the maximum number of birds that can be supported?
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About This Question
This is Neco Model Questions Vol1 2021 Biology Question 6. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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