By E. O. Wiley, D. R. Brooks, D. Siegel-Causey, V. A. Funk, E. O. Wiley
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Additional info for The Compleat Cladist: A Primer of Phylogenetic Procedures
You have practiced this kind of coding in Chapter 2. , taxa with both the plesiomorphic and KU MUSEUM OF NATURAL HISTORY, SPECIAL PUBLICATION No. 36 19 only critical when both types of characters are found in a single species. In such cases, the taxon can be treated as having both characters, a designation easily handled by available computer prograins. apomorphic characters. The problem is Multistate transformation series can be grouped in know of two ways: 1 ) according to what we and 2) according to the way they are related.
Each value is placed in the data matrix in a single column, and each apomorphy contributes to the length of the tree in an additive fashion. We use the term additive because each instance of evolution is one step along the tree, and counting all of the steps in a straight line shows exactly how much the transformation series has added to the overall tree length. ) CHARACTER ARGUMENTATION AND CODING 37 A branching transformation series contains characters that are not related to each other in a straight-hne fashion (Fig.
Prepare a data matrix. 2. Analyze the phylogenetic relationships of Leysera based on the information given and draw the tree of relationships. —Siegel-Causey's (1988) cliff shags. Shags, cormorants, and anhingas comprise a clade of marine and littoral fish-eating birds. Among shags, the genus Stictocarho (cliff shags) comprises eight species. In this exercise, outgroup infomiation and ingroup infonnation to reconstruct the relationships among six species of Stictocarbo. The seventh species (S. magellanicus) is used as the sister group, and species in other genera provide additional outgroups.
The Compleat Cladist: A Primer of Phylogenetic Procedures by E. O. Wiley, D. R. Brooks, D. Siegel-Causey, V. A. Funk, E. O. Wiley