BIOL108 Study Guide - Final Guide: Binomial Nomenclature, Phylogenetic Tree, Cladistics

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BIOL108 Full Course Notes
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BIOL108 Full Course Notes
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Document Summary

Nomenclature is a system of rules for naming things. Taxonomy is the practice of naming and classifying things. Taxo is arrange, and nomos is knowledge/science of. Systematics is the theory and practice of classifying organisms based on their evolutionary histories (phylogencies) The three domains are bacteria, archea, and eukarya. The problem with the use of common names is that the same name can be used for different species, different species could have the same name, and names may imply non-existent relationships between unrelated species. The binomial nomenclature avoids this issue, for it used a genus, and a specific name (specific epithet), both of which are italicized. Domain, kingdom, phyllum, class, order, family, genus, species. Phylogenetic trees are trees that show the evolutionary relationships between a common ancestor and species. A phylogenetic tree is a hypothesis of the evolutionary relationship. A taxon is a named group at any level of classification.

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