| Date | May 2010 | Marks available | 2 | Reference code | 10M.3.SL.TZ2.12 |
| Level | Standard level | Paper | Paper 3 | Time zone | Time zone 2 |
| Command term | Discuss | Question number | 12 | Adapted from | N/A |
Question
Discuss the correlation between diet and brain size.
Markscheme
improved diet quality correlated (positively) with hominid skull development/size;
improved diet quality provides energy to support a greater brain function;
change of habitat (in Africa) 2.5 mya may have prompted emergence of Homo sp;
change in diet to include meat increased brain size (of hominids);
cooking food enabled hominids to eat a wider variety of food;
Examiners report
N/A
Syllabus sections
Option A: Neurobiology and behaviour » Option A: Neurobiology and behaviour (Core topics) » A.2 The human brain
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