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  • 1. Is natural selection a good theory?
  • 2. A good theory: • explains observed phenomenon • makes predictions • is (scientifically) testable
  • 3. Explains observed phenomenon cc licensed flickr photo by Horia Varlan: http://flickr.com/photos/horiavarlan/4273168957/
  • 4. Makes predictions cc licensed flickr photo by Horia Varlan: http://flickr.com/photos/horiavarlan/4273168957/
  • 5. Is scientifically testable cc licensed flickr photo by Horia Varlan: http://flickr.com/photos/horiavarlan/4273168957/
  • 6. Your assignment: “Is Natural Selection a Good Theory?” • explain natural selection (two big ideas) • does it meet the three criteria of a good theory? (explain each one)