Question 17N.2.HL.TZ0.06c
| Date | November 2017 | Marks available | [Maximum mark: 3] | Reference code | 17N.2.HL.TZ0.06c |
| Level | HL | Paper | 2 | Time zone | TZ0 |
| Command term | Outline | Question number | c | Adapted from | N/A |
Cell biologists play an important role in research into disease, fertility, evolution and many
other areas of science.
Outline the evidence for evolution provided by selective breeding.
[3]
a. crop plants/domesticated animals/livestock produced by selective breeding
b. specific example of a domesticated animal/crop plant and the wild species from which it
was developed
OR
specific example of a domesticated animal/crop plant and the features in it which have been improved «compared with the wild species»
For example dogs have been developed from wolves
c. artificial selection/crossing selected varieties/eliminating undesirable varieties
d. «selective breeding/artificial selection can cause» significant/rapid change over time/from the original wild species
e. «changes due to selective breeding/artificial selection» shows natural selection can cause change/evolution «in a species»
[Max 3 Marks]
