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2 marksBiological Evolution

CSEC Biology · May/June 2019 · Paper 2 · Question 4(c)

Briefly explain how bacteria may become resistant to antibiotics.

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Other parts of this question

  1. 4(a)Describe TWO events that occur in EACH of the following stages of meiosis I: Prophase I, Anaphase I, Telophase I.[6 marks]
  2. 4(b)(i)Mutation and sexual reproduction are two processes which can lead to variation in the population of a species. State ONE way in which both processes are…[3 marks]
  3. 4(b)(ii)Explain the difference between variation in a community and variation in a population, and suggest ONE way in which diversity benefits the community.[4 marks]

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