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Topic 4: Biodiversity and natural resources
Quick questions on Natural selection and adaptation: evolution and speciation - Edexcel A-Level Biology B
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Explain how natural selection can lead to an increase in the frequency of an advantageous allele. [3 marks]
What is q2?Show answer
State the type of evidence for evolution that compares DNA base sequences. [1 mark]
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