OCR GCSE Gateway Science Suite - Biology A J247 · B4.1b
Microorganisms in nutrient cycling
- Code
- B4.1b
- In
- B4.1 Ecosystems
- Topic
- B4 Community level systems
- Course
- GCSE Gateway Science Suite - Biology A J247
- 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 Rate of decay calculations
- BM4.1ii Percentage of mass
- BM4.1iii Fractions and percentages
- BM4.1iv Plotting graphs with suitable scales
- BM4.1v Information from charts, graphs and tables
- B4.1a Cycling of materials in ecosystems
- B4.1b Microorganisms in nutrient cycling
- B4.1c Carbon and water cycles
- B4.1d Factors affecting rate of decomposition
- B4.1e Levels of organisation in an ecosystem
- B4.1f Abiotic and biotic factors affecting communities
- B4.1g Interdependence and competition
- B4.1h Trophic levels
- B4.1i Pyramids of biomass and biomass loss
- B4.1j Efficiency of biomass transfer