BIO120H1 Lecture Notes - Lecture 10: Microevolution, Cichlid, Ungulate
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BIO120H1 Full Course Notes
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Document Summary
How to best classify life - systematics, taxonomy and cladistics. Phylogenetic trees and the reconstruction of evolutionary history using molecular data. Character evolution, the origin of adaptations and key innovations. Hierarchical system - various units called taxa that go all the way from kingdom to species ( a nested hierarchical classification) Taxon - named taxonomic unit at any level. Name is a key to the literature on an organism. Allow people to relate to a particular group or imagine a phenotype in mind. Enables interpretation of origins and evolutionary history. You can then place it in a framework of macroevolution and or phylogenetic tree. The study of biodiversity and the evolutionary relationships among organisms. Systematics is a broader concept, many taxonomists are also systematics commonly. A huge enterprise arose due to the loss of biodiversity. Schools of taxonomy - philosophical wars of the 70s and 80s. Classifying species based solely on overall resemblance.
