01:119:115 Lecture Notes - Lecture 22: Lutra, Monitor Lizard, American Badger
13 Jul 2016
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Up to now we discussed process of evolution mechanisms. = scientific study of diversity of organisms & evolutionary relationships. Two parts: taxonomy science of describing, naming, & classifying organisms, phylogeny - evolutionary history of a species or group of related species (figure 26. 2, binomial nomenclature. Invented by carolus linnaeus natural philosopher (darwinian lecture) Each species assigned unique 2 part name binomial. Consists of genus to which it belongs + specific epithet (name) Example: homo sapiens ( wise man : always latin or latinized (tradition from time linnaeus, genus name capitalized, specific epithet not, both italicized or underlined, genus can be abbreviated: h. sapiens (e. coli = Escherichia coli: genus is unique and can be used alone to specify all species within genus can say genus. Escherichia": specific epithet not necessarily unique is never used alone cannot say species coli", hierarchical classification. Above species level many levels of classification. The taxonomic groups from broad to narrow are domain to species.
