illustrate the taxonomical hierarchy with suitable example of a plant and an animal
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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)."
The arrangement of various taxa in a hierarchical order is called taxonomic hierarchy.In this hierarchy, species is present at the lowest level whereas kingdom is present at the highest level.Kingdom↑Phylum or division↑Class↑Order↑Family↑Genus↑SpeciesA Taxonomic hierarchyClassification of a plantAs an example, let us classify Solanum melongen a (Brinjal).Kingdom – PlantaeDivision – AngiospermaeClass – DicotyledonaeOrder – SolanalesFamily – SolanaceaeGenus – SolanumSpecies – melongen aClassification of an animalAs an example, let us classify MANKingdom – AnimaliaPhylum – ChordataClass – MammaliaOrder – PrimateFamily – HominidaeGenus – HomoSpecies – Sapiens