Animalia, Chordata, Mammalia, Primates, Hominidae, Homo erectus The appearance and body structure of the Homo erectus is very similar to present humans. The skull of the Homo erectus, however, is noticeably smaller. Brain capacity ranges from 800-1000 cc corresponding with a retreating forehead and thicker skull bones. Likewise, there are heavy protruding brow ridges and highly defined cheekbones in the face. The robust jaws allow large premolars and incisors as well as a parabolic mouth. …showed first 75 words of 759 total…

…showed last 75 words of 759 total…direct to a theology. Richard E. Leakey. Human Origins. New York: The Rainbird Publishing Group Limited,1982 Mann E.,Alan. “Prehistoric People”. The World Book Encyclopedia.Ed. Dale W. Jacobs, et al. Chicago,Il: World-Book-Childcraft International Inc. Richard E. Leakey. Origins. New York: The Rainbird Publishing Group Limited,1982 F. Clark Howell(F.C.H.). “Human Evolution”. Encyclopedia Britannica.1991. University of California, Berkeley. 21 Sept.2000. http://www.britannica.com Gore, Rick. “The First Steps”. National Giographic 22 Sept. 2000: p72