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4.1 Evolution and natural selection

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Question 3

Two fossil finds have the following estimated ages.

Fossil findEstimated age (million years ago)
A3.6 to 3.8
B1.1 to 1.4

Calculate the smallest and largest possible time intervals between the two fossil finds.

[2]
Markscheme

4.1 Evolution and natural selection Questions

  1. GCSE
  2. /Biology
  3. /4.1 Evolution and natural selection

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.

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