Date | May 2019 | Marks available | 1 | Reference code | 19M.1.SL.TZ2.20 |
Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
Command term | Deduce | Question number | 20 | Adapted from | N/A |
Question
What is required for natural selection to occur?
I. Acquired characteristics
II. Advantageous characteristics
III. Genetic variation
A. I only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
C
Examiners report
The answers to this question show poor knowledge of the requirements for natural selection, as many candidates believed acquired characteristics are needed.