Lecture 06 Outline Chapter 26

Lecture 06 Outline Chapter 26 - Lecture 6 Phylogeny and...

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Lecture 6 Phylogeny and Systematics - I: Slides 1-3 Taxonomy: the naming and classification of organisms: organisms are classified in a hierarchical manner: example of leopard. Bionomial species name Panthera pardus Italicized Genus name capitalized Taxon named taxonomic unit E.g. species name, genus, family, order, class, phylum, kingdom, domain KNOW THIS hierarchical sequence. Slide 4 Systematics study of how organisms are evolutionarily related Slide 5 Phylogeny Evolutionary history of a species or taxon Used by systematists Classify organisms Determine evolutionary relationships Phylogenetic tree Pattern of lineage branching that represents the evolutionary history of organisms Slide 6 Phylogenetic tree: terminology: Extinct, extant. root of tree = basal common ancestor. branch Node = common ancestor Terminal node (extant or extinct species) Sister taxa (share immediate common ancestor)
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Slide 7: Cautions on trees 1. Branching does NOT mean actual age E.g. otter did not evolve neces
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This note was uploaded on 11/08/2011 for the course BSC 2011C taught by Professor Klowden/crampton during the Fall '11 term at University of Central Florida.

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Lecture 06 Outline Chapter 26 - Lecture 6 Phylogeny and...

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