Human Evolution

Part I of Essay
, the biological and cultural development of the species Homo sapiens, or human beings. A large number of fossil bones and teeth have been found at various places throughout Africa, Europe, and Asia. Tools of stone, bone, and wood, as well as fire hearths, campsites, and bu ....

Part II of Essay
.... of the fossil record of the hominines reveals several biological and behavioral trends characteristic of the hominine subfamily. Bipedalism Two-legged walking, or bipedalism, seems to be one of the earliest of the major hominine characteristics to have evolved. This form of locomotion led to a number of skeletal modifications in the lower spinal column, pelvis, and legs. Because these changes can be documented in fossil bone, bipedalism usually is seen as the defining trait of the subfamily Homininae. Brain Size and Body Size Much of ....