WJEC A-level Biology A400QS · C1.5(c)
The regulation of populations by density dependent and density independent factors
- Code
- C1.5(c)
- In
- C1.5 Population size and ecosystems
- Topic
- C1 Component 1: Energy for Life
- Course
- A-level Biology A400QS
- Board
- WJEC
Grade boundaries·WJEC command words
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 C1.5 Population size and ecosystems
- C1.5(a) Population growth
- C1.5(b) Factors affecting population growth; carrying capacity
- C1.5(c) The regulation of populations by density dependent and density independent factors
- C1.5(d) Sampling abundance and distribution of organisms
- C1.5(e) Ecosystems
- C1.5(f) The sun as the energy source of ecosystems
- C1.5(g) The concepts of habitat and community
- C1.5(h) Biomass transfer and trophic levels
- C1.5(i) Succession
- C1.5(j) The terms primary and secondary succession, pioneers, sere and climax community
- C1.5(k) The importance of organic breakdown in recycling nutrients
- C1.5(l) The carbon cycle
- C1.5(m) Human activity and the carbon cycle
- C1.5(n) Bacteria in the nitrogen cycle
- C1.5(o) Human activity and the nitrogen cycle
- C1.5(p) Eutrophication and algal blooms