A set of statements or principles devised to explain the group of facts of phenomena described as the gradual process in which something changes into a different and usually more complex or better form
Theory Of Origin:
A set of suppositions and priciples compounded in an effort to explain, in a simple manner, the origin, or point of dervision of a particular object, in this text refering to the Human Species.
Domain:
A sphere of existence.
Kingdom:
The highest taxonomic classification into which organisms are grouped, based on fundamental similarities and common ancestry. One widely accepted taxonomic system designates five such classifications: animals, plants, fungi, prokaryotes, and protoctists.
Phylum:
A primary division of a kingdom, as of the animal kingdom, ranking next above a class in size.
Class:
A taxonomic category ranking below a phylum or division and above an order.
Order:
A taxonomic category of organisms ranking above a family and below a class.
Family:
A taxonomic category of related organisms ranking below an order and above a genus. A family usually consists of several genera.
Genus:
A taxonomic category ranking below a family and above a species and generally consisting of a group of species exhibiting similar characteristics. In taxonomic nomenclature the genus name is used, either alone or followed by a Latin adjective or epithet, to form the name of a species.
Sub-Genus:
A subdivision of a genus, comprising one or more species which differ from other species of the genus in some important character or characters; as, the azaleas now constitute a subgenus of Rhododendron.
Species:
A fundamental category of taxonomic classification, ranking below a genus or subgenus and consisting of related organisms capable of interbreeding.