OCR GCSE Twenty First Century Science Suite - Combined Science B J260 · B3.3
How are organisms in an ecosystem interdependent?
- Code
- B3.3
- In
- B3 Living together – food and ecosystems
- Course
- GCSE Twenty First Century Science Suite - Combined Science B J260
- 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 under B3.3
- B3.3.1 Synthesis and breakdown of biological molecules, with tests
- B3.3.2 Photosynthetic organisms as producers
- B3.3.3 Dissolved food molecules transported into organisms
- B3.3.4 Levels of organisation in an ecosystem
- B3.3.5 Interdependence and competition
- B3.3.6 Cycling of substances in ecosystems
- B3.3.7 Carbon and water cycles
- B3.3.8 Microorganisms in nutrient cycling
- B3.3.9 Percentage of mass in cycling
Points in B3 Living together – food and ecosystems
- B3.1 What happens during photosynthesis?
- B3.2 How do producers get the substances they need?
- B3.3 How are organisms in an ecosystem interdependent?
- B3.4 How are populations affected by the conditions in an ecosystem?