Documents Copyright 2005 Allyn & Bacon Anthropology Experience Biological Anthropology.

Slide 1Copyright 2005 Allyn & Bacon Anthropology Experience Biological Anthropology Slide 2 Copyright 2005 Allyn & Bacon Biological Anthropology Describe and explain…

Documents Geologic Time By examining layers of sedimentary rock, geologists developed a time scale for...

Geologic Time   By examining layers of sedimentary rock, geologists developed a time scale for dividing up earth history. Earlier in the 20th century, radiometric-dating…