Bio II Slide Set IX

Bio II Slide Set IX - The real reason the dinosaurs became...

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Unformatted text preview: The real reason the dinosaurs became extinct UNIT III Evolution & Population Genetics Monday, June 13, 2011 EVOLUTION SLIDE SET IX I. The concept of evolution up to Darwins time A. Greek philosophy B. Judeo-Christian theology (e.g. Linnaeus) C. The Enlightenment (geological science) D. Lamarck E. State of knowledge at Darwins time II. Darwin and the theory of evolution by natural selection A. Voyage of the Beagle B. Formulation of the theory III. Evolutionary theory A. Essential elements IV. Lines of evidence for evolution A. Biogeography B. The fossil record C. Comparative anatomy D. Embryology E. Molecular biology F. Artificial selection Monday, June 13, 2011 V. The Modern Synthesis: Population Genetics A. Darwins dilemma 1. Genetic variation in natural populations 2. Genes and mutation 3. The Hardy-Weinberg rule B. Populations and gene pools 1. Definitions 2. Illustration of Hardy-Weinberg equilibrium C. Conditions for Hardy-Weinberg equilibrium D. Significance of Hardy-Weinberg for the study of evolution E. How to recognize Hardy-Weinberg equilibrium Monday, June 13, 2011 VI . Forces that disrupt HW equilibrium A. Effects of chance in small populations - genetic drift 1. Bottlenecks 2. Founder effects B. Mutation C. Migration and gene flow D. Non-random mating E. Natural selection 1. Example: the peppered moth Monday, June 13, 2011 Nothing in biology makes sense except in the light of evolution.- T. Dobzhansky evolution and medicine recall mitosis then meiosis why are there so many-over 350,000 species- of just beetles! humans are always attempting to explain the natural world-gotta know those basics... Monday, June 13, 2011 Evolution Species change over time new species arise by the modifcation oF earlier species. descent with modifcation Monday, June 13, 2011 Evolution Species change over time new species arise by the modifcation oF earlier species. descent with modifcation- Charles Darwin, 1859 Monday, June 13, 2011 Evolution Species change over time new species arise by the modifcation oF earlier species. descent with modifcation- Charles Darwin, 1859 On The Origin oF Species by Means oF Natural Selection Monday, June 13, 2011 Greek PhilosophERS e.g. Plato and Aristotle (350 bc) Monday, June 13, 2011 Greek PhilosophERS e.g. Plato and Aristotle (350 bc) Plato and essentialism Monday, June 13, 2011 Greek PhilosophERS e.g. Plato and Aristotle (350 bc) Plato and essentialism- God created all things Monday, June 13, 2011 Greek PhilosophERS e.g. Plato and Aristotle (350 bc) Plato and essentialism- God created all things- all things have a constan t, perfec t essenc e Monday, June 13, 2011 Greek PhilosophERS e.g. Plato and Aristotle (350 bc) Plato and essentialism- God created all things- all things have a constan t, perfec t essenc e (an ideal form; an abstract entity) Monday, June 13, 2011 Greek PhilosophERS e.g. Plato and Aristotle (350 bc) Plato and essentialism...
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Bio II Slide Set IX - The real reason the dinosaurs became...

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