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Lesson overview:Natural Selection

  • Describe ways in which organisms may vary within a species
  • Explain why some organisms within a species are better adapted to their environment
  • Explain why genetic variation within a species can drive natural selection
  • Describe ways in which organisms may vary within a species
  • Explain why some organisms within a species are better adapted to their environment
  • Explain why genetic variation within a species can drive natural selection

This lesson looks at what a species is, how variation leads to natural selection and how Charles Darwin's theory came about.