4. DARWIN: 1831 Voyage of the HMS Beagle

5. OBSERVATIONS ABOARD HMS BEAGLE: 1.Species vary around the world What is a ‘species’?

6. 2. Species vary locally

7. 3. Species vary over time Fossils found in the Peruvian Andes

9. Darwin and Wallace:

13. NATURAL SELECTION SELECTS BASED ON: PHENOTYPE!!!

14. The Peppered Moth

15. Color variants

16. During the Industrial Revolution

17. TODAY!

18. EVIDENCES FOR EVOLUTION: 1. Biogeography Pangea

21. Embryos and Body Structure

22. Homologous Structures

24. Vestigial Structures:

28. Fossils:

29. Mold and Cast :

30. Carbon Film

31. Petrification (mineral replacement)

32. Amber

33. Mummification