Question
Question: State two pieces of evidence that support the theory of evolution by natural selection. (2 marks)
Mark scheme (2 marks — 1 mark each, max 2):
- Fossils / fossil record showing gradual change in organisms over time (1).
- Antibiotic-resistant bacteria such as MRSA evolving in response to antibiotic use (1).
- Pentadactyl limb / homologous structures in different vertebrates suggesting common ancestor (1).
- DNA / molecular evidence — closely related species share more DNA sequence (1).
2 marks · take your time before peeking.
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.