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Theodosius Dobzhansky (1900-1975)

Evolution. “Nothing in biology makes sense except in the light of evolution”. Theodosius Dobzhansky (1900-1975) . Evolution. A natural process……. Any change in the genetic make-up of a population through time. Evolution. Some background and history…. Biology – 1500-1700s.

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Theodosius Dobzhansky (1900-1975)

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  1. Evolution “Nothing in biology makes sense except in the light of evolution” Theodosius Dobzhansky (1900-1975)

  2. Evolution A natural process…… Any change in the genetic make-up of a population through time

  3. Evolution Some background and history….

  4. Biology – 1500-1700s

  5. Geology/Geography 1500-1700s

  6. Konrad Gessner (1516-1565) Historiae Animalium (1551-1558)

  7. Konrad Gessner

  8. Konrad Gessner

  9. Edward Topsel(1572-1625) 1607

  10. Edward Topsel

  11. Cat Edward Topsel

  12. Natural History “Let it not suffice to be book-learned, to read what others have written and to take upon trust more falsehood than truth, but let us ourselves examine things as we have opportunity, and converse with Nature as well as with books.” John Ray -- 1691 (1627-1705)

  13. Fixed species in an unchanging world

  14. An ever changing world running on natural laws

  15. Transmutation

  16. William Paley (1743-1805)

  17. William Paley Natural TheologyEvidences of the Existence and Attributes of the Deity, collected from the Appearances of Nature 1802

  18. Carl Linnaeus (1707-1778) *Swedish botanist *father of modern taxonomy

  19. Carl Linnaeus 1758

  20. A botanical specimen from Linnaeus’ collection Swedish Museum of Natural History Lotus fruticosus L. L

  21. Georges Cuvier (1769-1832) *French Zoologist *Father of comparative anatomy *Fossils and extinction

  22. Jardin des Plantes, Paris

  23. Mary Anning (1799-1843)

  24. Richard Owen (1804-1892)

  25. Crystal Palace Dinosaurs London

  26. James Hutton (1737-1823) *English Geologist *Uniformitarianism *Gradualism

  27. James Hutton

  28. *Uniformitarianism *Gradualism

  29. Thomas Malthus 1766-1834 *Essay on Population (1798)

  30. Jean-Baptiste Lamarck (1744-1829) *living things change through time *Inheritance of acquired traits

  31. Jean-Baptiste Lamarck (1744-1829) *Philosophie zoologique (1809) *coined terms: “invertebrate” and “biology”

  32. Lamarckian evolution “Inheritance of acquired traits”

  33. William Smith1769-1839

  34. William Smith Geologic map of England and Wales 1815

  35. Charles Lyell (1797-1875) *English Geologist *very influential

  36. 1835

  37. Charles Darwin (1809-1882)

  38. Voyage of the HMS Beagle 1831-1836

  39. Voyage of the HMS Beagle

  40. Voyage of the HMS Beagle Galapagos Islands Beagle Channel, Patagonia

  41. Voyage of the HMS Beagle Darwin’s Finches Galapagos Islands

  42. Voyage of the HMS Beagle 1839

  43. Voyage of the HMS Beagle

  44. Voyage of the HMS Beagle Harriet ca. 1830-2006 Geochelone nigra porteri Galapagos Tortoise

  45. Darwin House --- south of London

  46. Isaac Newton (1643-1727) “If I have seen a little further it is by standing on the shoulders of giants.”

  47. Alfred Russell Wallace 1823-1913 1858: “On the tendency of varieties to depart indefinitely from the original type”

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