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4.2 Evidence for evolution and classification

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Question 20
H

The table shows evidence from three fossil populations.

Table

PopulationAge / million yearsEvidence of upright walking
P4.2pelvis not preserved
Q3.6pelvis adapted for upright walking
R2.5pelvis adapted for upright walking

Which conclusion is justified?

[1]
A

upright walking began at 2.5 million years ago; its first appearance is established

B

upright walking began at 3.6 million years ago; its first appearance is established

C

upright walking was absent at 4.2 million years ago; its first appearance is uncertain

D

upright walking was present by 3.6 million years ago; its first appearance is uncertain

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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