presentation_1 - 2. Hierarchical Organization of Diversity...

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WELCOME TO EVOLUTIONARY BIOLOGY BIOEE 278
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Dr. Monica Geber Track 1 Gernot Huber (head) Valentina Ferretti Anna Forsman Ben Hamilton Marc Lajeunesse Andrea Townsend Track 2 Jill Anderson Kurt Galbreath
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WHAT IS EVOLUTION? <evolvere: unroll> 1. Change over time 2. Change in the 2. Change in the form form of of organisms over time organisms over time (across generations) (across generations)
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Bacteria, 3.5 Byr Trilobite, 530 Myr “Deep” Time Macro-evolution Ginko Tree, 225 Myr
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“Medium” time scale Da rw in ’s Fi nc he s
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“Short” time scale (Micro-evolution) Antibiotic resistance
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3 Fundamental Observations 1. Changes in Diversity over Time
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Unformatted text preview: 2. Hierarchical Organization of Diversity 3. Good fit of Organism to Environment Da rw in s Fi nc he s Organisms not arranged willy-nilly Organisms not arranged willy-nilly Hierarchical Organization of Diversity Frogs &amp; Salamanders Mammals Lizards &amp; Snakes Crocodiles Birds GOOD FIT - Crypsis Can you find the Dead-leaf butterfly? Lamarck 1744-1829 Transformation G e n r a t i o 1 2 Generation 1 2 X X Darwin 1809-1892 Natural Selection Descent with Modification Hierarchical Organization...
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This note was uploaded on 09/28/2008 for the course BIOEE 2780 taught by Professor Geber during the Fall '07 term at Cornell University (Engineering School).

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presentation_1 - 2. Hierarchical Organization of Diversity...

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