PPT-Phylogeny

20 Which of the following taxonomic categories includes the fewest number of species Animalia Panthera Felidae Carnivora Mammalia 2016 Pearson Education Inc Which of the following taxonomic categories includes the fewest number of species. JOHNSON 13 AND MICHAEL D SORENSON TM Bell Museum of Natural History and Department of Ecology Evolution and Behavior University of Minnesota St Paul Minnesota 55108 USA and 2Museum of Zoology University of Michigan Ann Arbor Michigan 48109 USA ABSTR Read Chapter 4. Phylogeny. All living organisms are related to each other having descended from common ancestors.. Understanding the evolutionary relationships between groups enables us to reconstruct the tree of life and gain insight into history of evolutionary change.. B-5.5: Exemplify scientific evidence in the fields of anatomy, embryology, biochemistry, and paleontology that underlies the theory of biological evolution.. B-5.6: Summarize ways that scientists use data from a variety of sources to investigate and critically analyze aspects of evolutionary theory.. Andrea K Thomer & Nicholas M. Weber. Center for Informatics Research in Science and Scholarship. Graduate School of Library and Information Science. University of Illinois at Urbana-Champaign. Time. Phylogenies. The process of evolution produces a pattern of relationships between species. . As . lineages evolve and split and modifications are inherited, their evolutionary paths diverge. . This . 26.1. Phylogeny. Evolutionary history of a species or a group of related species. Made by using evidence from systematics. Focuses on classifying organisms & relationships. Uses fossils, morphology, genes, & molecular evidence. Molluscan Phylogeny 1307 Table 1 Previous Results on Molluscan Phylogeny on the Basis of Molecular Data NUMBER OF SEQUENCES AUTHOR(S) GENE OR PROTEIN Other Mol- Meta- lusca zoa TREE CONSTRUCTION METHO 4/30/14. Scientists classify millions of species. 400. years ago, scientists believed that . related. animals looked alike, and classified animals based upon their . appearance. and behavior. . Classification and . Investigating the Tree of Life. Legless lizards have evolved independently in several different groups. Figure 26.1. Phylogeny. is the evolutionary history of a species or group of related species. For example, a phylogeny shows that legless lizards and snakes evolved from different lineages of legged lizards. http://thumbnails.visually.netdna-cdn.com/the-great-tree-of-life_505ba0c07cda2.gif. Figure 26.1 Some major episodes in the history of life. Figure 26.15 Whittaker’s five-kingdom system. Figure 26.16 Our changing view of biological diversity. IB BIO II . Van . Roekel. . 4/17/14. Use binomial nomenclature to name and classify organisms. 1. st. word refers to the genus, 2. nd. word to the species, i.e. . Homo Sapiens. . Carolus. (Carl) Linnaeus consolidated and popularized binomial nomenclature. “Inferring Phylogenies” . Joseph Felsenstein. Excellent reference. What is a phylogeny?. Different Representations. Cladogram - branching pattern only. Phylogram - branch lengths are estimated and drawn proportional to the amount of change along the branch. Jeffrey B. Joy, Richard H. Liang, Rosemary M. McCloskey, Thuy Nguyen, Chanson J. Brumme, Guillaume Colley, Robert S. Hogg, Julio S.G. Montaner, P. Richard Harrigan, and Art F.Y. Poon. Conflict of Interest. . Streptomycetaceae. Alan Ward. Motivation. Streptomyces . taxonomy. 16S. Whole genome sequencing. A bigger 16S phylogeny. Where is the diversity. The type strains.