BIO120H1 Lecture 10: Notes - (Professor Barrett)
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BIO120H1 Full Course Notes
Verified Note
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Document Summary
Carolus linnaeus: father of taxonomy, struggle with the complexity of life, used the hierarchical system of classi cation (method still used today)! Kingdom > phyla > classes > orders > families > genera > species! Purpose of biological classi cation: name is very important: tells you everything from habitat to looks, provide predictions, enables interpretation of origins and evolutionary history! Taxon (plural: taxa): taxonomic unit at any level! Taxonomy : theory and practice of classi cation, how scientists classify organisms, two schools: phenetics & cladistics! Phenetics: classi cation based on overall resemblance (the morphological traits): now largely dead! Cladistics: classi cation based on organisms" phylogenetic relationships : can include morphology but also use datas , started in germany, slowly replaced the phenetics! Systematics: study of biodiversity and evolutionary relationships among organisms! Thursday, november 10, 2016: put a taxa on a tree and determine the evolution history!
