Waec Model Questions Vol1 2020 Biology Question 34
Practice objective / multiple choice question 34 from the 2020 Waec Model Questions Vol1 Biology examination.
In a grassland ecosystem the annual gross primary productivity (GPP) is 1500 g C m⁻² yr⁻¹. Autotrophic respiration uses 40 % of GPP. Herbivores consume 30 % of the net primary production (NPP). The remaining carbon enters the detritus pool, from which decomposers respire 60 % of the carbon. How many grams of carbon per square metre per year are stored in the ecosystem as biomass after one year?
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This is Waec Model Questions Vol1 2020 Biology Question 34. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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