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4.2 Evidence for evolution and classification

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Question 9
H

The Figure shows the estimated brain volume of five hominid fossils and the time when each hominid lived.

Figure

image

a.

Describe the relationship shown in the Figure.

[2]
b.

Calculate the mean rate of increase in brain volume between Lucy and Turkana Boy.

Give your answer in cm3\text{cm}^3cm3 per million years.

[2]
c.

Stone tools made at the time of Turkana Boy were more complex than stone tools made at the time of Lucy.

Explain how the Figure helps to account for this.

[2]
d.

Suggest why fossil evidence alone cannot show that Lucy was a direct ancestor of modern humans.

[2]
Markscheme

4.2 Evidence for evolution and classification Questions

  1. GCSE
  2. /Biology
  3. /4.2 Evidence for evolution and classification

40 exam-style questions on Edexcel GCSE Biology 4.2 Evidence for evolution and classification, covering 4.2.1 Fossil evidence for human evolution, 4.2.2 Stone tool evidence for human evolution, 4.2.3 Pentadactyl limb as evidence, and 4.2.4 Three domains classification. Each one has a worked solution and a mark scheme showing where the marks go.

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