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6.4 Classification of living organisms

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Question 26
F

Two developments led scientists to reconsider earlier classifications:

  • X revealed previously unseen internal cell structures.
  • Y revealed chemical differences between organisms with similar cell structures.

Which row correctly links these developments to classification?

[1]
A

X: improved microscopes; Y: chemical analysis supporting Linnaeus's original groups.

B

X: improved microscopes; Y: chemical analysis supporting Woese's three domains.

C

X: chemical analysis; Y: improved microscopes supporting Linnaeus's original groups.

D

X: chemical analysis; Y: improved microscopes supporting Woese's three domains.

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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