PPT-Chapter 26 Phylogeny and the Tree of Life

Objective SWBAT explain and demonstrate that organisms share many conserved core processes and features that evolved and are widely distributed among organisms today Agenda Chapter 25 Quiz Chapter 26 notes sections 261 262 and 263. The Swan Hill fruitless olive tree has quickly gained in popularity. It's attractive foliage and form is enhanced by its absence of fruit, and makes its use in entryways and other high foot-traffic areas a plus. Olives, after all, are best in martinis, on pizza or enjoyed at the table one by one. 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. . 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. Orangutan. Gorilla. Chimpanzee. Human. From the Tree of the Life Website,. University of Arizona. Phylogeny. (evolutionary tree). DNA Sequence Evolution. Tandy Warnow. Departments of Computer Science and Bioengineering. Carl R. . Woese. Institute for Genomic Biology. The University of Illinois at Urbana-Champaign. http://tandy.cs.illinois.edu. O. r. a. Section 1.3. Learning Goals. We are exploring modern classification of species using phylogeny.. We are learning to use phylogenetic trees to identify common ancestors.. Modern Taxonomy. traditional classification grouped species according to morphology (body, shape, size and other structural features) . 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). Helgeneusa. Costa . 1. , Vitor Ramos . 1. , . Jose. A. Pereira . 1. , Paula Baptista . 1,*. 1. . Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Sta. Apolónia, 5300-253 Bragança, Portugal. Introduction to evolution. Introduction to phylogenetic trees. Build a phylogeny 1. Build a phylogeny 2. Applying phylogenetic trees. Learning objectives. Be able to read a phylogenetic trees and predict evolutionary relationships. 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. Phylogenetics. • . Phylogenetic. trees illustrate the. evolutionary relationships among groups . of organisms. , or among a family of . related nucleic . acid or protein . sequences. Each branch represents a new species which inherits many (primitive) traits from the ancestor but also has a new (derived) trait which appear for the 1.