PPT-0 Phylogeny and the Tree of Life

Which of the following taxonomic categories includes the fewest number of species Animalia Panthera Felidae Carnivora Mammalia Which of the following taxonomic categories includes the fewest number of species. 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 . - based on whole genome data. Johanne Ahrenfeldt . Research Assistant. Overview. What is Phylogeny and what can it be used for. S. ingle . N. ucleotide . P. olymorphism (SNP) methods. - . snpTree. . Phylogeny. The evolutionary history of a species or group of species. . Convergent Evolution. A process in which species from different evolutionary branches may come to resemble each other if they live in similar environments and natural selection favored similar adaptions.. 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 Systematics. Phylogeny. Phylon. = tribe, . geny. . = genesis or origin. The evolutionary history of a species or a group of related species.. Investigating the Tree of Life. Phylogeny: the evolutionary history of a species or group of species. 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. Tandy Warnow. The University of Illinois at Urbana-Champaign. Brief history. We met in 1992, when I was working in the Discrete Algorithms Group at Sandia National Labs.. I moved to the University of Pennsylvania in 1993, then to the University of Texas at Austin in 1999. No papers yet. “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. The first Darwinian principle told that every phylogenetic tree has one common ancestor. .. Phylogen. e. tic analysis is the study of taxonomic relationships among lineages. .. Willi Hennig . (1913-1976). Nasser Ben Qasem . 503-Biology . WIU . Turtles.  are . reptiles . of the . order . Testudines.  characterized by a special . bony . or. . cartilaginous shell. . The order Testudines includes both extant (living) and . Lost & Found. Introduction. 1. . Rev. 22:1-2 . The tree of life: lost at Eden, . found in heaven!. 3. THE TREE OF LIFE:. Lost & Found. 4. . 1 And he . shewed. me . a pure river of water of life. in . 1801. Jean-Baptiste Lamarck . sketchy . diagram for animals in . 1809.. Vestiges of the Natural History of Creation. , anonymously published by Robert Chambers in 1844, had an even sketchier one, where fish, reptiles, and birds are represented by branches from a path leading to . . Group (Fabulous) 5. Laura Hake, Jenny Frederick,. Carl Hashimoto, Kirsten . Fertuck. , . Bill . Rando. , Serena . Moseman. Facilitators: Steve . Chordas. III, Justin Hines. Teaching Unit Goals and Outcomes.