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Lecture 15 - Phylogeny and Systematics

Lecture 15 - Phylogeny and Systematics

This video was recorded at EEB 122 - Principles of Evolution, Ecology and Behavior. The Tree of Life must be discovered through rigorous analysis. Genetic information is crucial because appearances can be deceiving, and species that look similar can prove to be genetically very dissimilar and not share recent common ancestors. Two criteria, used to determine what the "correct" Tree is, are simplicity and whether the tree maximizes the probability of observing what we actually see. Reading assignment: Stearns, Stephen C. and Rolf Hoekstra. Evolution: An Introduction, chapter 13

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