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4.1 Evolution and natural selection

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Question 21
F

Scientists find stone tools in an undisturbed layer between two layers of volcanic ash. Why can dating the ash help estimate the age of the tools?

[1]
A

The tools were deposited between the formation of the ash layers.

B

The tools were deposited before the formation of both ash layers.

C

The tools were deposited after the formation of both ash layers.

D

The tools were deposited when all volcanic ash layers formed together.

Markscheme

4.1 Evolution and natural selection Questions

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

44 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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