Edexcel GCSE Combined Science 1SC0 · B9
Ecosystems and material cycles
- Code
- B9
- In
- B Biology
- Course
- GCSE Combined Science 1SC0
- 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 under B9
- B9.1 Levels of organisation in ecosystems
- B9.2 Abiotic and biotic factors affecting communities
- B9.3 Interdependence in a community
- B9.4 Parasitism and mutualism
- B9.5 Core practical: fieldwork with quadrats and transects
- B9.6 Estimating population size from fieldwork data
- B9.9 Human interactions with ecosystems and biodiversity
- B9.10 Benefits of maintaining biodiversity
- B9.12 Cycling of materials in ecosystems
- B9.13 The carbon cycle
- B9.14 The water cycle and potable water
- B9.15 The nitrogen cycle and nitrates for plants
Points in B Biology
- B1 Key concepts in biology
- B2 Cells and control
- B3 Genetics
- B4 Natural selection and genetic modification
- B5 Health, disease and the development of medicines
- B6 Plant structures and their functions
- B7 Animal coordination, control and homeostasis
- B8 Exchange and transport in animals
- B9 Ecosystems and material cycles