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AN102 2-10-14.docx

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Department
Anthropology
Course
CAS AN 102
Professor
Kevin Langergraber
Semester
Spring

Description
AN102 2­10­14 PHYLOGENY On the tree, those closer together are my closely related because they have a more recent  common ancestor (hominoid relatives) Phylogeny­ evolutionary relationships among organisms • Provides basis for identifying and classifying organisms­ taxonomy • Explain why species evolve specific adaptations­provide information about  ancestral states • Convergent evolution­ traits that are similar evolved separately for adaptation  purposes but is not connected to a common ancestor passing it down • Analogous characters­ similarity due to convergent evolution • Homologous character­ similarity due to a common descent • Ancestral characters­ homologous characters that appear early in the evolution  lineage, present in last 
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