Edexcel International GCSE (9–1) Biology 4BI1 · 4b

Feeding relationships

Code: 4b
In: 4 Ecology and the environment
Course: International GCSE (9–1) Biology 4BI1
Board: Edexcel

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 under 4b

4.6 Trophic levels
4.7 Food chains, food webs and ecological pyramids
4.8 Transfer of substances and energy in food chains
4.9 Energy transfer between trophic levels

Points in 4 Ecology and the environment

4a The organism in the environment
4b Feeding relationships
4c Cycles within ecosystems
4d Human influences on the environment