Systematics and Phylogenetics Revealing the Tree of Life Pt 1

Sources of Data for Phylogenetic Analyses The Analysis of Homologous Characters Sheds Light on Evolutionary Relationships Morphological Characters Provide Abundant Clues to Evolutionary Relationship Behavioral Characters Are Useful When Animal Species Are Not Morphologically Distinct Molecular Sequences Are Now a Commonly Used Source of Phylogenetic Data Traditional Classification and Paraphyletic Groups The Cladistics Revolution Cladistics Analyses Focus on Recently Evolved Character States Cladistics Uses Synapomorphies to Reconstruct Evolutionary History and Classify Organisms Systematists Use Several Techniques to Identify and Optimal Phylogenetic Tree Phylogenetic Trees as Research Tools Molecular Phylogenetic Analyses