Lecture_2_-_Classification_Animal_Architecture_-_130911

Lecture_2_-_Classification_Animal_Architecture_-_130911 -...

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9/14/2011 1 Lecture 2 (part 1) - OUTLINE Classification of Animals Animal Diversity 5 th Ed. Chapter 4, Pages 72 - 88 4 th Ed. Chapter 4, Pages 72-87 2. Modern Phylogenetic Systematics - Cladistics 3. Sources of Information BIOL 2030 Lecture 2 – Slide 1 ANIMAL CLASSIFICATION AND RELATIONSHIPS Classification - Taxonomy • Carolus Linnaeus (1707 - 1778) • Developed our current scheme of classification - based on morphology - *binomial nomenclature (e.g. Anguilla japonica ) - hierarchical taxonomic framework Kingdom Class Phylum Order Family Genus* Species* 7 mandatory ranks Over 30 taxonomic ranks for complex groups K ing C ame P hillip O ver F or G ood S oup species epithet Taxonomy [Gk. taxis , arrangement; nomos , law] BIOL 2030 Lecture 2 – Slide 2
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9/14/2011 2 ANIMAL CLASSIFICATION AND RELATIONSHIPS Classification - Taxonomy • Carolus Linnaeus (1707 - 1778) • Developed our current scheme of classification - based on morphology - *binomial nomenclature (e.g. Anguilla japonica ) - hierarchical taxonomic framework species epithet Taxonomy [Gk. taxis , arrangement; nomos , law] Japanese Eel ( Anguilla japonica, authority Japanese Eel (Anguilla japonica) [Note: don’t need to know authority for labs] BIOL 2030 Lecture 2 – Slide 3 ANIMAL CLASSIFICATION AND RELATIONSHIPS PHYLOGENY [Gk. phylon , race; genesis , descent] history of development of species or other group Homology - character similarity resulting from common ancestry Homoplasy - non-homologous similarity, misrepresents common ancestry Characters - organismal features used to construct a phylogeny [or evolutionary tree] Evolutionary convergence of fusiform shape an example of homoplasy BIOL 2030 Lecture 2 – Slide 4
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9/14/2011 3 MODERN PHYLOGENETIC SYSTEMATICS: CLADISTIC ANALYSIS How do we use character variation to reconstruct phylogeny? Cladistics - evaluation of information for tree building and classification
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Lecture_2_-_Classification_Animal_Architecture_-_130911 -...

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