| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.SL.TZ2.21 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 21 | Adapted from | N/A |
Question
What reduces variation in a population?
A. Meiosis
B. Mutation
C. Natural selection
D. Sexual reproduction
Markscheme
C
Examiners report
[N/A]
