O-LevelBiologyEcology & Environment5090/12 · Oct/Nov 2021 · Q281 Mark

What is a food chain?

Adiagram showing an organism getting its energy by feeding on other organisms

Bdiagram showing an organism's diet

Cdiagram showing the flow of energy through a chain of organisms

Ddiagram showing the names of trophic levels

✓ Correct answer

C: diagram showing the flow of energy through a chain of organisms

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2021 Paper 1 Variant 2, question 28.

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