a) Define the term 'evolution' as used in biology. (2 marks)
b) State FOUR pieces of evidence that support the theory of organic evolution. (4 marks)
c) Explain how each of the following concepts contributes to the process of evolution:
i) Natural selection
ii) Mutation
iii) Genetic variation
iv) Reproductive isolation (8 marks)
d) State ONE difference between Lamarck's theory and Darwin's theory of evolution. (1 mark)

Question

a) Define the term 'evolution' as used in biology. (2 marks)
b) State FOUR pieces of evidence that support the theory of organic evolution. (4 marks)
c) Explain how each of the following concepts contributes to the process of evolution:
   i) Natural selection
   ii) Mutation
   iii) Genetic variation
   iv) Reproductive isolation (8 marks)
d) State ONE difference between Lamarck's theory and Darwin's theory of evolution. (1 mark)

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