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4.1 Evolution and natural selection

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Question 5
F

An insecticide kills most insects in a population. Some insects already have an inherited characteristic that makes them resistant. Which statement explains why resistance becomes more common?

[1]
A

Non-resistant survivors reproduce and transmit susceptibility to their offspring.

B

Killed insects reproduce and transmit resistance to their offspring.

C

Resistant survivors reproduce and transmit resistance to their offspring.

D

Treated insects reproduce and transmit acquired immunity to their offspring.

Markscheme

4.1 Evolution and natural selection Questions

  1. GCSE
  2. /Biology
  3. /4.1 Evolution and natural selection

44 exam-style questions on Edexcel GCSE Biology 4.1 Evolution and natural selection, covering 4.1.1 Work of Darwin and Wallace and 4.1.2 Resistant organisms and evolution. Each one has a worked solution and a mark scheme showing where the marks go.

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