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ANT 301 Notes 092509 - Primitive trait(plesiomorphy-traits...

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Systematics -means of classifying organisms based on evolutionary relationships Phylogeny -evolutionary history of a group of organisms Phenetics -group organisms on the bases of overall degree of similarity Cladistics -group organisms on the basis of shared derived features
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Unformatted text preview: Primitive trait (plesiomorphy)-traits that are present in the group b/c of inheritance from a more distant ancestor Derived trait (apomorphy)-traits that 1 st appeared in the common ancestor of the group-shared derived traits = synapomorphies...
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