Answer:
Their arrival marks the beginning of the Paleolithic Era in Texas – the first of three time periods between the arrival of those first people and the arrival of European explorers: The Paleolithic Era (until about 6000 B.C.), the Archaic Era (6000 B.C. to A.D. 700), and the Late Prehistoric Period (A.D. 700-A.D. 1500).The earliest Texans lived as hunters and gatherers, sharing the landscape with ice age animals including mammoths, cave lions, giant sloths, and dire wolves.