Edexcel A-level Biology B 9BI0 · 9.1(iii)
Negative and positive feedback
- Code
- 9.1(iii)
- In
- 9.1 Homeostasis
- Topic
- 9 Control Systems
- Course
- A-level Biology B 9BI0
- 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 in 9.1 Homeostasis
- 9.1(i) Homeostasis as dynamic equilibrium
- 9.1(ii) Maintaining pH, temperature and water potential
- 9.1(iii) Negative and positive feedback