Biology 1001A Lecture Notes - Lecture 22: Carl Linnaeus, Binomial Nomenclature, Species Problem
14 Feb 2018
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Species: population of organisms capable of interbreeding and producing fertile offspring. Def doesn"t work with asexually reproducing organisms. Hybridization: when two species interbreed and produce fertile offspring. Taxonomy: the science of classification of organisms into an ordered system that indicates natural relationships. Binomial nomenclature: the naming of species with a two-part scientific name: indicating the genus (ranking below a family and above a species, indicating the species. By convention, capitalize the first letter of generic name. All italicized or underlined in handwritten work i. e) ursus maritimus (polar bear) Taxonomic hierarchy: domain, kingdom, phylum, class, order, family, genus, species, subspecies (species concepts) Based on our o(cid:271)servations that earth s (cid:271)iologi(cid:272)al diversity is pa(cid:272)kaged in discrete, recognizable units, and not as continuum of forms grading into one another. They have developed about 23 complementary species concepts. The concept that all individuals of a species share measurable traits that distinguish them from individuals of other species. Does not help distinguish closely related species.
