Cambridge Cambridge IGCSE (9–1) Biology 0970 · 19.3

Nutrient cycles

Code: 19.3
In: 19 Organisms and their environment
Course: Cambridge IGCSE (9–1) Biology 0970
Board: Cambridge

Grade boundaries·Cambridge command words

Codes and titles are read by a script from Cambridge's published specification and have not been checked by a person. What each point covers is in the specification itself: Cambridge’s specification.

Points under 19.3

19.3.1 The carbon cycle
19.3.2 The nitrogen cycle (Supplement)
19.3.3 Microorganisms in the nitrogen cycle (Supplement)

Points in 19 Organisms and their environment

19.1 Energy flow
19.2 Food chains and food webs
19.3 Nutrient cycles
19.4 Populations