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CAIE IGCSE Biology 19.2.2 Constructing & Interpreting Food Chains

Practise building food chains from feeding information and interpreting organisms, arrows and trophic levels.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • select organisms from feeding information and arrange them from food to feeder
  • draw each arrow in the direction of energy transfer through the food chain
  • use a completed chain to identify an organism's trophic level or consumer role

19.2.2—Construct and interpret simple food question 1

[Maximum number: 1]

Coral reefs are important ecosystems.

Fig. 6.2 is part of a food web for a coral reef ecosystem which is similar to the one shown in Fig. 6.1.

Fig. 6.2

Fig. 6.2

State the number of different organisms in the shortest food chain in Fig. 6.2.

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