DP Biology (last assessment 2024)
Question 18N.3.HL.TZ0.5b
| Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.3.HL.TZ0.5b |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Predict | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
18N.3.HL.TZ0.5b
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.
(b)
Predict the difference that would be seen if the cerebral cortex of a human and a gorilla were compared.
[1]
Markscheme
a. human cortex has a larger total volume/is larger than gorilla’s ✔
b. human cortex has more folding/area «to accommodate within the cranium» ✔
