MGY277H1 Lecture 7: Lecture 7
27 Mar 2017
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Document Summary
Phylogeny the evolutionary history of development of a group of organisms (or even protein or gases) Phylogenetic the study of evolutionary relationships between organisms and the construction of an accurate and complete tree of life that faithfully tells us how all the current species arose is its ultimate goal. Ernst haeckel"s tree a tree of life in 1866 which include 3 main branches: plants, animal, protista (include bacteria moneres ) Taxonomy the study and creation of hierarchical systems for classifying and identifying organisms (important to phylogeny: how di we build that tree, how did we know where to place each species, what"s a species. Taxonomy is the science that studies organisms to arrange them into groups or tact. 3 separate but interrelated areas: classification arranging organisms into similar or related groups and defining what set of features defines a group/taxa, nomenclature system of assigning name.
