Artifact: any object made by human beings especially with a view to subsequent use.
Australopithecine: a member of the extinct genus Australopithecus
Bison: a North American, ox like ruminant, Bison bison, having a large head and high, humped shoulders.
Cave art: paintings and engravings on the walls of caves and rock shelters.
Cro-Magnon: an upper Paleolithic population of humans, regarded as the prototype of modern homosapiens.
Culture: the quality in a person or society that arises from a concern for what regarded as excellent in arts, letters, and manners.
Domesticate: to convert (animals, plants, etc.) to domestic uses; tame.
Excavate: to make hollow by removing the inner part.
Extinct: no longer in existence.
Fossil: any remains, impression, or trace of living thing of a former geologic age, as a skeleton.
Glacier: an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of accumulation, as in continental glaciers.
Grasslands: an area, as a prairie, in which the natural vegetation consists largely of perennial grasses.
Hominid: any of the modern or extinct bipedal primates of the family hominidae, including all species of the genera homo and all Australopithecus.
Homoerectus: an extinct species of the human lineage, formerly know as pithecanthropus erectus having upright stature and a wellevoled postcranial skeleton, but with a smallish brain, low forehead, and protruding face.
Homohabilis: an extinct species of upright East African hominid having some advanced humanlike characteristics.
Homo sapien: the species of bipedal primates to which modern humans belong, characterized by a brain capacity averaging 1,400 cc (85 cubic...