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5 marksNatural Selection

CAPE Biology Unit 1 · 2014 · Paper 2 · Question 5(a)

State FOUR observations and THREE deductions that formed the basis of Darwin's theory of natural selection.

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  1. 5(b)Use the theory of natural selection to explain how a new species can evolve from an existing one by allopatric (geographical) speciation.[4 marks]
  2. 5(c)Discuss THREE potential threats to humans, and other organisms, of the use of genetically modified crops. Include a definition of the term ‘genetically…[6 marks]

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