Mishler1_BigPicture - Bio 1B Lecture Outline(please print...

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Evolution #1, pg. 1 Bio 1B Lecture Outline (please print and bring along) Fall, 2007 B.D. Mishler, Dept. of Integrative Biology 2-6810, [email protected] Evolution Lecture #1 -- The big picture and the big questions -- biodiversity! -- Nov. 2, 2007 A. Introduction. We are now making a transition in the course from our coverage of ecology to consideration of evolutionary processes that have influenced how life actually has evolved. We want to consider the age-old question: Why are we here? And as scientists we particularly want to ask: How do we know what we think we know? B. What is the big picture? The Tree of Life : One of the most intellectually important, unifying ideas you will learn in college: We are not all that special -- just one tiny twig on a strange, gigantic tree that took root on one little planet in an infinite universe. The really big picture: RNA-based phylogenies of life -- The three domains -- Eukaryotes & how they were assembled Crown Eukaryotes (simplified from the Tree of Life page by Mitchell L Sogin and David J.
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