O-LevelBiologyEcology & Environment5090/11 · Oct/Nov 2010 · Q291 Mark

A single plant provides food for many herbivores. The herbivores supply food for a few carnivores. [Diagrams of pyramids] Which pyramid of numbers and which pyramid of biomass show this information? [Table]

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

AW Y

BW Z

CX Y

DX Z

✓ Correct answer

C: X Y

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2010 Paper 1 Variant 1, question 29.

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