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Campbell Chapter 15 Notes

Campbell Chapter 15 Notes - Armand Hershowitz Chapter...

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Armand Hershowitz Chapter 15 (304-312) Phylogenies are based on homologies in fossils and living organisms Evolutionary history of a group of organisms called phylogeny Convergent Evolution= Different species resemble each other becuz they live in similar environment o Analogy = Similarity due to convergence o Homology = Similarity due to common phylogeny Systematics connects classification with evolutionary history Systematics = Study of geneology and evolutionary relationships between organisms Taxonomy = Study of appearance and classification ? o Linnaeu invented it o Binomial nomenclature to classify species Genus (plural and capital 1 st letter), species (singular) o Places species into classification Domain Kingdom Phylum Class Order Family Genus Species Cladograms are diagrams based on shared characters among species Cladistics is the identification of evolutionary braches of an ancestor species and its descendants o These evolutionary branches are called clades
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