DP Biology (last assessment 2024)
Question 18N.3.HL.TZ0.a
| Date | November 2018 | Marks available | [Maximum mark: 2] | Reference code | 18N.3.HL.TZ0.a |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Compare and contrast | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
18N.3.HL.TZ0.a
The diagram (not to scale) represents the average brain volume of six species of mammal. The mammals are arranged in rank order of body mass.
Compare and contrast the rank order of body mass and brain volume in the six species of mammals.
[2]
Markscheme
similarity:
a. as body size increases, brain volume increases for smaller mammals
OR
«weak» positive correlation ✔
contrast:
b. humans do not fit the trend/are the exception ✔
