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Edexcel IGCSE Biology 4.6 Trophic levels

Practise naming trophic levels from food chains and webs, including organisms that feed at more than one level.

Syllabus
First assessment 2019
Course
Biology 4BI1

Exam points

  • use a food chain or web to distinguish producers, primary, secondary and tertiary consumers
  • recognise when one organism occupies two trophic levels in a food web

4.6 Trophic levels question 1

[Maximum number: 1]

The diagram shows part of a woodland food web.

Figure for Question 4.6 Trophic levels question 1 — Edexcel IGCSE Biology

Which organism is a primary consumer in this food web?

A

aphid

B

blackbird

C

fox

D

oak tree

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