NCSU BIO 181 - 5Theory of Ev Presentation (poll pc) bw (13 pages)

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5Theory of Ev Presentation (poll pc) bw



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5Theory of Ev Presentation (poll pc) bw

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Pages:
13
School:
North Carolina State University at Raleigh
Course:
Bio 181 - Introductory Biology: Ecology, Evolution, and Biodiversity

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Evolution I Evolution Overall Concepts Charles Darwin and Evolution The times they are achangin II Darwin s Evidence and Mechanism BIO 181 1 2 I Overall Concepts Levels of Evolution change through time fact and theory Physical never accepted 100 Origin of life Earth and Mars Elsewhere Biological theory processes Origin of universe and Earth Chemical scientific fact has occurred and is occurring Origin of diversity Cultural Origin of human social structures 3 4 History con t History of Western Ideas Ancient Greeks rudimentary ideas Aristotle s Scala Natura inheritance of acquired characteristics Organisms progressive up a Ladder of Nature with humans at the top Lower and Higher species believed that use or disuse of organs exaggerated the organ Biblical Creation species fixed and unchanging Jean Baptiste de Lamarck French early 1800 s disproven so evolution disproven 1600 s 1700 s Enlightenment questioning of fixity of species exploration new species from new lands Charles Darwin 1859 testable mechanism for evolution fossils 5 6 1 Evolution the unifying theme Evolution Gene cloning The relationships between science and Industrial agriculture Biodiversity Mutation Cancer society Continental drift AIDS Antibiotic resistance Hybrid corn Dinosaur extinction 7 Judeo Christian Tradition 8 Judeo Christian Tradition Scientific creationism versus Evolution 9 10 Charles Robert Darwin HMS Beagle 1809 1882 British father a prominent physician 2 years of medical school in Edinburgh hated it Cambridge University Divinity Degree natural theology Darwin a confirmed creationist 1831 1836 voyage of HMS Beagle 11 Capt Robert Fitz Roy http www aboutdarwin com voyage Voyage 02 jpg http www rit edu rhrsbi GalapagosPages SlideShow slides Beagle jpeg 2 12 Charles Darwin Darwin s Life Married Emma Wedgwood 10 children 3 knighted 3 died in infancy Treatise on barnacles Geology of South America Downe House Kent country gentleman Sir Francis Darwin 1848 1925 botanist 13 Before now I did not know that Charles Darwin was trained to be a minister On the Origin of Species Sir Horace Darwin 1851 1928 founded Cambridge Scientific Instrument Co 14 Published in 1859 1 2 Did not know that Already knew that 15 II Darwin s Lines of Evidence for Evolution 16 1 Fossils 1 Fossils Evidence in the geological record 2 Anatomy 3 Embryology 4 Breeding 5 Geography http www all creatures org hope gw evolutionary tree 002 gif 17 18 3 Fossil Record Fossil Record Earliest fossils simple bacterialike Increasing diversity with time Transitional forms indicate that species can evolve from one form to another Archaeopterix indicates that dinosaurs are ancestral to birds 19 20 http www lingannodellevoluzione com images evolucionismo archeopterix jpg 2 Anatomy Transitional fossils Similarities in morphology form and structure anatomy Pakicetus earlier land mammal Aetiocetus later aquatic early whale Modern Gray Whale lives today Nostrils in front Nostrils in middle Nostrils on top 21 22 2 Anatomy 2



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