CAPE Biology Unit 2 · 2013 · Paper 1 · Question Q9
Item 9 refers to the following two types of biological pyramids, labelled X and Y, which represent different parameters of a particular food chain. Which of the following correctly identifies the pyramids and the appropriate FIRST trophic level?
- (A)X: Number, Y: Biomass, First Trophic Level: Evergreen tree
- (B)X: Biomass, Y: Number, First Trophic Level: Phytoplankton
- (C)X: Biomass, Y: Number, First Trophic Level: Evergreen tree
- (D)X: Number, Y: Biomass, First Trophic Level: Phytoplankton
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