BILD 3 Lecture 1

BILD 3 Lecture 1 - BILD 3 Lecture 1 Syllabus overview(brief...

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BILD 3 Lecture 1: Syllabus overview (brief) The History of Evolutionary Thinking
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Dr. Carolyn Kurle Muir Biology Bldg., Room 4218, [email protected] Office hour: Tuesday 10-11 (or by appointment) -Download Syllabus and lecture notes from TED (ted.ucsd.edu); -Viewpodcasts within 24 hours after lecture: podcast.ucsd.edu -Bild 3: Topics related to the living world: Evolution, Ecology, Diversity, Human impacts, Conservation -Exams: Midterm (October 25; 100 points) Final (December 6; 200 points) -Text: Campbell Biology, 9 th edition. NOTHING ELSE REQUIRED -Attend any and all discussion sections -UCSD.PostYourBook.com (cheaper books)
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BILD 3 Lecture 1: Syllabus overview The History of Evolutionary Thinking
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On the Origin of Species by Natural Selection (1859) Charles Darwin (1809-1882)
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Ideas in Origin of Species 1. Descent with Modification: All organisms evolved from common ancestor, but became modified over time 2. Organisms lived in different habitats over millions of years, so they accumulated modifications to better live in those environments 3. Mechanism - natural selection Profoundly challenged prevailing world view
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Scientific thinking in Europe in the 1800s espoused a “special creation” view of life: All species were created by God Species do not change; variations equal imperfections Species created independently Creation was recent What was the old world view??
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How recent was creation? The Ussher Chronology – History of the world based on a literal reading of the bible In 1664, he believed Earth was 5668 years old From Archbishop James Ussher’s (Irish Protestant Church) 1664 book on the subject “Heaven and Earth, Centre and substance were made in the same instant of time and clouds full of water and man were created by the Trinity on the 26 of October 4004 BC at 9:00 in the morning.”
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How did that thinking start to change? Classification (Linnaeus, 1707) Geology (Hutton, 1726; Lyell, 1797) Paleontology (Cuvier, 1769; Anning, 1799) Economics (Malthus, 1766) Evolution (Lamarck, 1744)
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Carl Linnaeus (1707-1778) - Developed binomial nomenclature - classified organisms into nested , hierarchical categories - groupings because of divine plan, not because of relatedness Classification
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Nested, hierarchical categories: Linnaeus Three Kingdoms: Animal, Vegetable, Mineral Kingdom: Animal Class: Mammalia Aves Amphibia Pisces Insecta Vermes (worms) Order: Primates Bruta Ferae Bestiae Pecora Belluae Cete Genus: Homo Species: sapiens See full list of mammalian classification in Linnaean system here: http://en.wikipedia.org/wiki/Mammalia_in_the_10th_edition_of_Systema _Naturae
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Nested, hierarchical categories (modern times) 3 extra classifications: Domain, Phylum, Family
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Georges Cuvier (1769-1832) Paleontology (the study of fossils) -Studied fossils and rock layers -Earth’s biota had changed over time -First to speculate on an age of reptiles before mammals (discovered a pterodactyl and the first mosasaur) -Established fact of extinction -Mechanism was catastrophism
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This note was uploaded on 01/16/2012 for the course BILD 3 taught by Professor Wills during the Fall '07 term at UCSD.

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BILD 3 Lecture 1 - BILD 3 Lecture 1 Syllabus overview(brief...

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