WJEC A-level Biology 1400QS · 3.5(b)
Factors affecting population growth; carrying capacity
- Code
- 3.5(b)
- In
- 3.5 Population size and ecosystems
- Topic
- 3 A2 Unit 3: Energy, Homeostasis and the Environment
- Course
- A-level Biology 1400QS
- Board
- WJEC
Codes and titles are read by a script from WJEC's published specification and have not been checked by a person. What each point covers is in the specification itself: WJEC’s specification.
Points in 3.5 Population size and ecosystems
- 3.5(a) Population growth
- 3.5(b) Factors affecting population growth; carrying capacity
- 3.5(c) The regulation of populations by density dependent and density independent factors
- 3.5(d) Sampling abundance and distribution of organisms
- 3.5(e) Ecosystems
- 3.5(f) The sun as the energy source of ecosystems
- 3.5(g) The concepts of habitat and community
- 3.5(h) Biomass transfer and trophic levels
- 3.5(i) Succession
- 3.5(j) The terms primary and secondary succession, pioneers, sere and climax community
- 3.5(k) The importance of organic breakdown in recycling nutrients
- 3.5(l) The carbon cycle
- 3.5(m) Human activity and the carbon cycle
- 3.5(n) Bacteria in the nitrogen cycle
- 3.5(o) Human activity and the nitrogen cycle
- 3.5(p) Eutrophication and algal blooms