1. Evolution (II)

2. Common Fallacies about Evolution Progressivism Fallacy Teleology Fallacy (Purposivism Fallacy) <-HUMAN

3. How Fast is Evolution? Gradualism Hypothesis (Charles Darwin) Punctuated Equilibrium Hypothesis (Stephen Jay Gould and Niles Eldrege)

4. DARWIN’S FINCHES

5. Natural Selection in Action *

6. Daphne Major Normal yearDrought year

7. The story of the ground finch Medium Ground Finch (Geospiza fortis) Seed Eater Every year on Daphne all the birds are caught and measured Their food size is measured Ground finch

8. Beak Depth is Inherited

9. Figure 01.08 Drought Seed size and hardness Year What happened to the food ?

10. Drought What happened to the finches? Beak size Year

11. Finch Summary Beak depth is a trait that responds to changing environmental conditions Beaks appear to be an adaptation for feeding Evolution is a process-continually in operation –Sometimes measurable in real time

12. Evidence of Evolution by Natural Selection Fossil record Age of the Earth The mechanisms of heredity Molecular biology Comparative anatomy

13. The crossing over of alleles between matched pairs of chromosomes during meiosis