The Genus Homo

The enlarge in brain size and decrease in jaw and tooth size are associated with the first appearance of the genus humans the archeological evidence of a shift in subsistence patterns is often assumed to be associated with behaviors unique to adult male, although this bear witness remains to be definitely demonstrated. The taxonomic interpretation of early Homo fossils were considered contentious when they were first found, and in many ways it remains so today.The first discoveries of early Homo fossils were made at Olduvai Gorge, not huge after Mary Leakey had found Zinj (now Australopithecus boisei) and Louis Leakey pronounced it to be the producer of gorges stone tools. Between 1960 and 1963, a series of fossils was uncover close to the Zinj site, including hand and foot bones, a lower jaw, and parts of the confidential information of the cranium (Wilford, 2007).There are very strict rules of convention that must be followed when a scientist names a new species of an exis ting genus. These involve a careful description of the new specimen to show how the animal fits in with the definition of the genus (in this case Homo) and how it differs from other closely related species. The naming of a new species of hominid has always been likely to touch off a good deal of lively discussion within the profession, so Leakey was sure enough guaranteed that much. But the fact that at the same time he had to queue the definition of the genus Homo in order to accommodate his new species change what might have been properly scholarly jousting into near outrage.Previous diagnoses of Homo had focus on the so-called cerebral rubicon a hominid had to outdo brain size in order to be judged worthy of replete(p) manhood. The trouble was that dissimilar authorities put the threshold at different levels.The diagnosis offered by Leakey and his colleagues was more comprehensive, and included habitual bipedal heraldic bearing and gait, a precision grip, and a brain capa city much littler than previously proposed (Line, 2005 Wilford, 2007).ReferencesLine, P. (2005). Fossil Evidence for Alleged Apemen Part 1 The Genus Homo Electronic Version. Creation Ministries International. Retrieved October 1, 2007 from http//www.creationontheweb.com/content/view/4450/.Wilford, J. N. (2007). Lost in a trillion Year Gap, Solid Clues to Human Origins Electronic Version. The New York Times. Retrieved October 1, 2007 from http//www.nytimes.com/2007/09/18/science/18evol.html?_r=1&ref=science&oref=slogin.