Waec Model Questions Vol1 2024 Biology Question 12
Practice objective / multiple choice question 12 from the 2024 Waec Model Questions Vol1 Biology examination.
Two ecosystems, A and B, have the following net primary productivity (NPP) and energy transfer efficiencies: Ecosystem A: NPP = 120,000 kJ m⁻² yr⁻¹; 10% from producers to primary consumers, 15% from primary to secondary, 20% from secondary to tertiary. Ecosystem B: NPP = 150,000 kJ m⁻² yr⁻¹; 9% from producers to primary consumers, 14% from primary to secondary, 30% from secondary to tertiary. Each tertiary consumer requires 5 kJ per day. Assuming 365 days in a year, which ecosystem can support a larger population of tertiary consumers per square metre?
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This is Waec Model Questions Vol1 2024 Biology Question 12. It is one of the objective questions from the 2024 Waec Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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