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Lecture

Lecture 21.docx

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School
University of Toronto St. George
Department
Biology
Course
BIO120H1
Professor
James Thomson
Semester
Fall

Description
Lecture 21 Macroevolution phylogenics Relates to classificationgreat diversity in phenotypes How o put in taxonomic heirchy darwins said that all organisms are related as seen on his tree of life carolous LinnaeusInvented system of classifying life still used today Binomial nomenclature and heirchal system Homosapienpurpose of classification efficient way of storing infoPredictive power Allows for interpretation of origins and evolutionary historyDefinitions taxon a named taxonomic unit at any level Taxa is plural taxonomy the theory and practice of classification systematics the study of biodiversity and the evolutionary relationships among organisms Two schools of taxonomy Phonetics classifying species based solely on resemblance DEAD Convergent evolution Cladistics classifying species on the basis of their phylogenetic re
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