Biology 1201A Lecture Notes - Lecture 10: Binomial Nomenclature, Carl Linnaeus, Mitosis
24 May 2016
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Species- a population of organisms capable of interbreeding and producing fertile offspring. Linnaeus invented a system of binomial nomenclature in which each species is given a unique two part name called a binomial. Species are organized into taxonomic hierarchy classification; domain, kingdom, phylum, class, order, family, genus, species, and subspecies. The organisms included within any category of the taxonomic hierarchy make up a taxon. The morphological species concept: based on the idea that all individuals of a species share measurable traits that distinguish them from individuals of other species. Relying exclusively on morphology can present problems, morphology does not help to identify closely related species who look nearly identical in appearance. The biological species concept: defines species as groups of interbreeding populations that are reproductively isolated from populations of other species in nature. A gene pool in which genetic material is potentially shared among populations.
