Edexcel International GCSE (9–1) Biology (Modular) 4XBI1 · 5.7
Food chains, food webs and ecological pyramids
- Code
- 5.7
- In
- 5b Feeding relationships
- Topic
- 5 Ecology and the environment
- Course
- International GCSE (9–1) Biology (Modular) 4XBI1
- Board
- Edexcel
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
Points in 5b Feeding relationships
- 5.6 Trophic levels
- 5.7 Food chains, food webs and ecological pyramids
- 5.8 Transfer of substances and energy in food chains
- 5.9 Energy transfer between trophic levels