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4.2 Evidence for evolution and classification

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Question 19
F

Microorganisms X and Y both lack nuclei. Their DNA is compared with that of known organisms.

Table

MicroorganismClosest genetic match
Xan archaeon
Ya bacterium

Which classification is supported?

[1]
A

X and Y occupy different old kingdoms and share the domain Eukarya

B

X and Y share the old prokaryote kingdom and share the domain Archaea

C

X and Y occupy different old kingdoms but share the domain Bacteria

D

X and Y share the old prokaryote kingdom but occupy different domains

Markscheme

4.2 Evidence for evolution and classification Questions

  1. GCSE
  2. /Biology
  3. /4.2 Evidence for evolution and classification

45 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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