The Linnaean order is composed of a progressive system of ordered positions known as taxa. Every taxon may have a few lesser taxa that may be distinguished by certain common characteristics. The realm, phylum or division, class, order, family, variation, and species are the seven essentially ordered positions in slipping requests.
"Taxonomic progression is the process of organizing various life forms into progressive levels of natural characterization, either in a decreasing or expanding demand from realm to species and vice versa." The realm is the most important level of arrangement and is divided by subgroups at many levels. Animalia, Plantae, Fungi, Protista, and Monera are the five domains in which living life forms are classified.
The class was the broadest position in the ordered chain of importance until phyla were not presented. Realm Animalia consists of 108 classes including class Mammalia, reptilia, aves, and so forth Nonetheless, the classes utilized today are not quite the same as those proposed by Linnaeus and are not utilized much of the time.