O-LevelBiologyEcology & Environment5090/12 · May/June 2017 · Q301 Mark

Insects feed on a tree's leaves. The insects are eaten by small birds that are the prey of larger birds. Which pyramid of numbers illustrates this food chain?

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.

A[Pyramid A]

B[Pyramid B]

C[Pyramid C]

D[Pyramid D]

✓ Correct answer

C: [Pyramid C]

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2017 Paper 1 Variant 2, question 30.

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