Lecture5 - Phylogeny...

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Phylogeny I. Studying Evolutionary History A. Background 1. Phylogeny a. Evolutionary history of a species or group of related species b. Diagrammed using phylogenic trees i. Trees trace inferred evolutionary relationships 2. Systematics a. Study of biological diversity in evolutionary context b. Includes reconstructing phylogeny i. Reflects evolutionary relationships c. Taxonomy i. Identifies and classifies species II. Phylogeny and Systematics A. Taxonomy 1. Hierarchical system of classification 2. Two main features a. Binomial i. Two part Latin name for each species ii. First word is genus iii. Second is the specific epithet b. Filing system i. Species are grouped into increasingly more general categories ii. Taxon (pl. taxa) 3. Filing system a. Species b. Genus c. Family d. Order e. Class f. Phylum g. Kingdom B. Objectives of taxonomy 1. Sort out and identify closely related species a. Describe using the diagnostic characteristics which distinguishes the species 2. Order species into broader taxonomic categories
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This note was uploaded on 07/19/2008 for the course BIO 102 taught by Professor Brey during the Spring '08 term at Rutgers.

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Lecture5 - Phylogeny...

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