Neco Model Questions Vol1 2019 Biology Question 4
Practice objective / multiple choice question 4 from the 2019 Neco Model Questions Vol1 Biology examination.
In a lake, net primary productivity (NPP) is \(800\ \text{g C m}^{-2}\text{yr}^{-1}\). Of this primary production, 60 % is consumed by herbivorous zooplankton. Of the herbivore biomass, 20 % is transferred to small fish (secondary consumers), and 10 % of the small‑fish biomass is transferred to large predatory fish (tertiary consumers). Given that 1 g of carbon releases 9 kcal of energy, calculate:\n\na) the energy (kcal) available to herbivores per m² per year;\nb) the energy available to small fish;\nc) the energy available to large predatory fish.
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This is Neco Model Questions Vol1 2019 Biology Question 4. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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