A museum displays measurements from three hominin fossils.
| Fossil | Age in millions of years ago | Brain-case volume in cm³ |
|---|---|---|
| A | 3.2 | 450 |
| B | 2.4 | 620 |
| C | 1.6 | 850 |
The museum claims that brain-case volume increased at a steady rate between the oldest and youngest fossils.
Evaluate the museum's claim. Use calculations in your answer.
85 exam-style questions on Edexcel GCSE Biology 4.1 Evolution and natural selection, covering 4.1.1 Work of Darwin and Wallace and 4.1.2 Resistant organisms and evolution. Each one has a worked solution and a mark scheme showing where the marks go.