[Answer] What is the smallest taxonomic group that contains organisms of different species?

Answer: genus
What is the smallest taxonomic group that contains organisms of different species?

In biological classification taxonomic rank is the relative level of a group of organisms (a taxon) in a taxonomic hierarchy. Examples of taxonomic ranks are species genus family order class phylum kingdom domain etc. A given rank subsumes under it less general categories that is more specific descriptions of life forms. Above it each rank is classified within more general categories of or…

In biological classification taxonomic rank is the relative level of a group of organisms (a taxon) in a taxonomic hierarchy. Examples of taxonomic ranks are species genus family order class phylum kingdom domain etc. A given rank subsumes under it less general categories that is more specific descriptions of life forms. Above it each rank is classified within more general categories of organisms and groups of organisms related to each other through inheritance of traits or features from common ancestors. The rank of any species and the description of its genus is basic; which means that to identify a particular organism it is usually not necessary to specify ranks other than these first two. Consider a particular species the red fox Vulpes vulpes: the next rank above the genus Vulpes comprises all the “true” foxes. Their closest relatives are in the immediately higher rank the family Canidae which includes dogs wolves jackals and all foxes; the next higher rank the order Carnivora includes caniforms (bears seals weasels skunks raccoons and all those mentioned above) and feliforms (cats civets hyenas mongooses). Carnivorans are one group of the hairy warm-blooded nursing members of the class Mammalia which are classified among animals with backbones in the phylum Chordata and with them among all animals in the kingdom Animalia. Finally at the highest rank all of these are grouped together with all other organisms possessing cell nuclei in the domain Eukarya. The International Code of Zoological Nomenclature defines rank as: “The level for nomenclatural purposes of a taxon in a taxonomic hierarchy (e.g. all families are for nomenclatural purposes at the same rank which lies between superfamily and subfamily).”

In his landmark publications such as the Systema Naturae Carl Linnaeus used a ranking scale limited to: kingdom class order genus species and one rank below species. Today nomenclature is regulated by the nomenclature codes . There are seven main taxonomic ranks: kingdom phylum or division class order family genus species. In addition domain (proposed by Carl Woese ) i…

In his landmark publications such as the Systema Naturae Carl Linnaeus used a ranking scale limited to: kingdom class order genus species and one rank below species. Today nomenclature is regulated by the nomenclature codes . There are seven main taxonomic ranks: kingdom phylum or division class order family genus species. In addition domain (proposed by Carl Woese ) is now widely used as a fundamental rank although it is not mentioned in any of the nomenclature codes and is a synonym for dominion (lat. dominium) introduced by Moore in 1974. A taxon is usually assigned a rank when it is given its formal name. The basic ranks are species and genus. When an organism is given a species name it is assigned to a genus and the genus name is part of the species name. The species name is also called a binomial that is a two-term name. For example the zoological name for the human species is Homo sapiens. This is usually italicized in print or underlined when italics are not available. In this case Homo is the generic name and it is capitalized; sapiens indicates the species and it…

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