Lec 6&7

Lec 6&7 - The Tree of Life Tree of Life image 2007...

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1 Tree of Life image © 2007 Tree of Life Web Project. The Tree of Life
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2 Uses of phylogenies Studying the tempo and mode of evolution How, when and at what rate do characters (morphological, ecological, genetic, etc.) change? Rates of diversification Coevolution Studying how—and to what extent—interacting organisms from different clades evolve together Biogeography The study of the geographical distribution of organisms Community phylogenetics Understanding ecological communities from a tree-based perspective Conservation biology Using phylogenetic criteria to establish conservation priorities
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3 Tree of Life image © 2007 Tree of Life Web Project. Microbes and the Tree of Life
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4 Darwin 1859
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5 Ernst Haeckel 1866
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6 Whittaker Five Kingdoms (1969)
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7 Woese 1987 - rRNA Microbiological Reviews 51:221
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8 EUKARYA BACTERIA ARCHAEA The Three Domains of the Living World
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10 The Tree of Life 2006 adapted from Baldauf, et al., in Assembling the Tree of Life, 2004
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11 The Tree of Life 2006 adapted from Baldauf, et al., in Assembling the Tree of Life, 2004 Microbes
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12 What is a “microbe”?
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13 What is a “microbe”? What types of organisms are microbes?
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14 Bacterial cells
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15 QuickTime™ and a TIFF (LZW) decompres or are needed to see this picture. Thiomargarita- giant sulfur bacteria
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16
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17 Nostoc
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18 Yeast- Saccharomyces
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19 Fungal hyphae
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Lec 6&7 - The Tree of Life Tree of Life image 2007...

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