Neco Model Questions Vol1 2025 Biology Question 21
Practice objective / multiple choice question 21 from the 2025 Neco Model Questions Vol1 Biology examination.
In a forest ecosystem the net primary productivity (NPP) is \(1200\) g C m\(^{-2}\) yr\(^{-1}\). Herbivores consume \(15\%\) of the NPP and only \(10\%\) of the consumed plant biomass is converted into herbivore biomass. Carnivores consume \(20\%\) of the herbivore biomass and convert \(25\%\) of what they consume into carnivore biomass. In a grassland ecosystem the NPP is \(800\) g C m\(^{-2}\) yr\(^{-1}\); herbivores consume \(30\%\) of the NPP with a \(12\%\) conversion efficiency, and carnivores consume \(25\%\) of the herbivore biomass with a \(20\%\) conversion efficiency. Which ecosystem supports the greater carnivore biomass per square metre?
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This is Neco Model Questions Vol1 2025 Biology Question 21. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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