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6.4 Classification of living organisms

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Question 27
H

Scientists want to add an extinct species to an evolutionary tree. Which evidence can they use, and why?

[1]
A

Fossil evidence, because the structures preserved can be compared with those of living species

B

Fossil evidence, because fossils show the exact age at which a species became extinct

C

DNA sequence data, because DNA is always preserved in the bone of a fossilised organism

D

DNA sequence data, because the structures preserved can be compared with living species

Markscheme

6.4 Classification of living organisms Questions

  1. GCSE
  2. /Biology
  3. /6.4 Classification of living organisms

81 exam-style questions on AQA GCSE Biology 6.4 Classification of living organisms, covering 6.4 Classification of living organisms. Each one has a worked solution and a mark scheme showing where the marks go.

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