| Date | November 2013 | Marks available | 1 | Reference code | 13N.1.HL.TZ0.19 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 19 | Adapted from | N/A |
Question
What is accepted by scientists as evidence for evolution?
I. Similarities in bone structure between the wings of a bat and the fins of a porpoise
II. Changes in dog breeds caused by artificial selection
III. Extinction of dinosaurs
A. I only
B. I and II only
C. I and III only
D. I, II and III
Markscheme
B
Examiners report
A significant number did not think that changes in dog breeds was evidence for evolution, answering A instead of B.
