BIS2C+SectA+Lect5+Outline

BIS2C+SectA+Lect5+Outline - BIS2C W2009 Tree applications...

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BIS2C W2009 Lecture 5 (12 January 2009) 1 Tree applications Today’s lecture recap: parsimony and likelihood using trees to better understand evolution and biogeography community phylogenetics phylogeny and conservation Wednesday’s lecture Microbes and the tree of life (Dave Rizzo) Uses of phylogenies 1. Mapping traits Distinction between building trees with characters versus mapping traits (characters) on trees Reconstructing character state changes on trees: an example with Linanthus and the evolution of self-compatibility Parsimony versus model-based approaches. What do we learn from character state reconstruction? 2. Investigating rates of diversification of clades Why do some clades have more species than others? Net rate of diversification: function of speciation and extinction rates Sister-group comparisons : example with latex- and resin-bearing canals in plants. 3. Studying coevolution
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This document was uploaded on 04/02/2009.

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BIS2C+SectA+Lect5+Outline - BIS2C W2009 Tree applications...

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