May1_MacroevolutionPhylogenetics

May1_MacroevolutionPhylogenetics - differentially survives...

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IB 200A Principals of Phylogenetic Systematics Spring 2008 Macroevolution and Phylogenetics Macroevolution is evolution above the species level, and includes the origins and fates of major novelties, changes in diversity of lineages through time, and the impact of geological and other physical factors on the evolutionary process. Paleontology plays a central role in macroevolution. The fossil record provides insights onto large-scale evolutionary patterns, and thus documents macroevolutionary phenomena, and provides a natural laboratory for the framing and testing of macroevolutionary hypotheses. Species-level selection and macro-evolution – the entire species lineage is the unit that
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