Lecture 1 notes - Evolutionary Biology Prof. Spencer...

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Copyright © 2008 Spencer C. H. Barrett Evolutionary Biology Prof. Spencer Barrett Lecture 1 Evolution: The Central Unifying Concept of Biology Suggested reading: Page numbers for suggested readings are given from BIOLOGY , by Peter Raven and colleagues (McGraw-Hill), for the 8th (2008) and 7th (2005) editions. 7 th ed.: pp. 8–12, 64, 434; 8 th ed. pp. 8–12, 396, 504 Key concepts/terms: descent with modification, inheritance of acquired characters, microevolution, common ancestor, macroevolution The notes for Lectures 1–11 are largely summarized from material presented in the following texts. Other references are given directly in the text. Purves, W.K., G.H. Orians and H. C. Heller. 1995. Life: The Science of Biology. (4th Edition) Sinauer Associates, Sunderland, Mass. Raven, P.H., and G. B. Johnson. 1989. Biology. (2nd Edition) Times Mirror, Mosby Publishing, St. Louis, Missouri. Futuyma, D.J. 1986. Evolutionary Biology. (2nd Edition) Sinauer Assocs., Sunderland, Massachusetts. Campbell, N.A. 1993. Biology. (3rd Edition) The Benjamin/Cummings Publ. Comp., Redwood City, California. 1. Origins of evolutionary thought: (a) Before Darwin (b) After Darwin 2. How evolution is studied: (a) Evolutionary history (b) Evolutionary mechanisms 3. Evolution, facts and fiction; (a) Misconceptions (b) Evolution as a fact not a hypothesis 1. Evolution is the central unifying concept of biology and affects almost all other areas of knowledge. It is considered to be one of the most influential concepts of Western thought. The theory of biological evolution is made up of two revolutionary ideas that contrast with earlier views of the world. First, the concept of a changing universe replaced the long unquestioned view of a static world. Second, people had long looked for the causes of phenomena in purposes . Evolution has no purpose and is an inevitable outcome of interactions between organisms and their environment. In all scientific disciplines, the major ideas and even the questions asked are the products of
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This note was uploaded on 05/09/2010 for the course BIO BIO150 taught by Professor Barrettt during the Fall '09 term at University of Toronto.

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Lecture 1 notes - Evolutionary Biology Prof. Spencer...

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