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Cuvier Presentation
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Cuvier Presentation • Jean-Leopold-Nicolas-Frederic Cuvier • “Georges” Cuvier • cuvier theory • Brief Bio • Born: August 23, 1769 in Montbeliard, France. • presentation georges cuvier • Attended Carolinian Academy of Stuttgart from 1784-88 • Studied Dissection • what is cuvier's theory • Studied Comparative Anatomy • Bio (Cont.) • cuvier catastrophism • After graduation, Cuvier served as a tutor for a Noble family in Normandy from 1788-95. • While working as a tutor, he Composed 2 works on marine invertebrates. • Beginning of a Career • Geoffroy Saint-Hilaire- professor of zoology at the Museum of Natural History in Paris • Read some of Cuvier’s Studies • Invited Cuvier to join the museum staff • Cuvier accepted the offer and eventually became a professor of animal anatomy at the museum • Work At The Museum • Cuvier collaborated with Hilaire for a short time until it became clear that they held opposing views concerning origin of and relationships between species. • Cuvier devoted most of his time at the museum to the continued study of comparative anatomy. • Comparative Anatomy • Cuvier’s work with comparative anatomy led him to reject the organic evolution theories of his time. • Cuvier had a theory called “Correlation of parts” – Each body structure is functionally related to and dependent on all other body structures(every part of an organism resembles signs of the whole); Therefore, any major change in the anatomy of an organism would render it unable to survive; *This thinking totally went against the evolutionary ideas of Lamarck and Saint-Hilaire* • Cuvier’s Other Involvements • In addition to his scientific studies, Cuvier was appointed, by Napoleon, to be the Inspector-General of public education in France as well as State Councillor. • Cuvier was instrumental in starting many French universities. • * At the same time that Cuvier held these governmental positions, he became active in the excavation study of fossils* • Fossil Studies • Discovered many unknown organisms • This raised serious evidence that entire past species had become extinct in some way. • This evidence for extinction may be the “most crucial and longest-lasting contribution to evolutionary biology” on Cuvier’s part. • Fossils (Cont.) • Cuvier extensively studied the distinct species’ differences between fossilized mammoths and the living elephants of his day • He published many studies documenting the past existence of huge mammals: (Giant Ground Sloth, Irish Elk, and the American Mastadon, among others • **These studies laid the foundation for the scientific field of vertebrate paleontology!! • So, Cuvier is responsible for the Jurassic Park movies in a round-about way! • Catastrophism • Cuvier’s work with fossils made him wonder why entire species had become extinct. • He believed that vast changes had occurred at some point in Earth history in the form of sudden land upheavals and floods, which destroyed entire animal species carved out the present features of the Earth. • Sound Familiar?? – THE GENESIS FLOOD!!! • More Accomplishments • In the midst of his scientific studies, Cuvier remained on the political scene: 1817: became Vice President of the ministry of the Interior. • 1817- He published his system of animal classification. • Grouped animals into 4 categories based on anatomical structure: Vertebrates, Mollusks, Articulates(arthropods segmented worms), and Radiates(cnidarians and echinoderms) • *This Classification system was a significant step up from Linnaeus’ system • Cuvier His Contemporaries • There was strong tension between Cuvier some of his contemporaries such as Lamarck and Hilaire • Cuvier successfully discredited Lamarck’s evolutionary Theory of the Inheritance of Acquired Characteristics, which said, traits developed by parents are passed on directly to offspring. • Cuvier/Contemporaries(Cont.) • In addition, Cuvier also disagreed with Hilaire’s claim that all animals were “representatives of only one type” (This is the idea of common ancestry) • Cuvier believed that each species was distinct and created for its own special purpose. • He also held that “any similarities between organisms were due to common functions, not common ancestry” • Cuvier/Contemporaries(Cont.) • Cuvier/Hilaire differences culminated in a public debate in 1830 • Cuvier won the debate, but his anti-evolutionary thinking never took hold due to the impending shift into Darwinian evolution shortly after. • Cuvier died on May 13, 1832, due to the 1st ever cholera epidemic to hit 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