CAIE IGCSE Biology 19.2.13 Trophic Levels in Food Chains
Practise defining a trophic level and locating an organism's position in a food chain, web or ecological pyramid.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- define a trophic level as an organism's position in a food chain, web or ecological pyramid
- name a producer or consumer level by tracing the organism's feeding position
- count the total number of trophic levels represented by organisms in a food web
19.2.13—Trophic level as the position question 1
The diagram shows a pyramid of numbers.
What is the correct description of the trophic levels?
1
2
3
producers
primary consumers
secondary consumers
producers
secondary consumers
tertiary consumers
secondary consumers
primary consumers
producers
secondary consumers
tertiary consumers
producers
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