CAIE IGCSE Biology 19.2.16 Advantages of Pyramids of Energy
Practise explaining why pyramids of energy represent transfer through food chains more accurately than numbers or biomass.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- state that an energy pyramid shows the actual energy transferred between trophic levels
- explain that energy data include a time period and account for different reproductive rates or lifespans
- contrast this with number or biomass pyramids distorted by organism size or sampling time
19.2.16—Pyramids of energy question 1
Fig. 6.2 shows the pyramid of energy for a food chain in an ocean ecosystem.
Fig. 6.2
State two advantages of using a pyramid of energy rather than a pyramid of biomass to represent a food chain.
1
2
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