OCR GCSE Gateway Science Suite - Combined Science A J250 · B4.1f
Interdependence and competition
- Code
- B4.1f
- In
- B4.1 Ecosystems
- Topic
- B4 Community level systems
- Course
- GCSE Gateway Science Suite - Combined Science A J250
- Board
- OCR
Grade boundaries·OCR command words
Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.
Points in B4.1 Ecosystems
- BM4.1i Percentage of mass
- BM4.1ii Plotting graphs with suitable scales
- B4.1a Cycling of materials in ecosystems
- B4.1b Microorganisms in nutrient cycling
- B4.1c Carbon and water cycles
- B4.1d Levels of organisation in an ecosystem
- B4.1e Abiotic and biotic factors affecting communities
- B4.1f Interdependence and competition