| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.HL.TZ2.22 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 22 | Adapted from | N/A |
Question
Which processes occur in an ecosystem?
I. Biomass increases in each successive trophic level.
II. Inorganic nutrients are recycled.
III. Chemical energy is stored in carbon compounds.
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
C
Examiners report
[N/A]
