O-LevelBiologyEcology & Environment5090/11 · Oct/Nov 2018 · Q291 Mark

The diagram shows part of a food web. [Figure showing a food web with eagles, foxes, badgers, ladybirds, thrushes, hedgehogs, aphids, caterpillars, snails, slugs, trees] Which pyramid of numbers is based on this food web?

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A[Pyramid A: a wide base, a narrower second level, and a narrowest top level]

B[Pyramid B: a wide base, an even wider second level, and a narrower top level]

C[Pyramid C: a narrow base, a wider second level, and a narrower top level]

D[Pyramid D: a wide base, a wider second level, a narrower third level, and a narrowest top level]

✓ Correct answer

A: [Pyramid A: a wide base, a narrower second level, and a narrowest top level]

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2018 Paper 1 Variant 1, question 29.

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