New Unit: Prehistory to Civilization

           Today we talked about our new unit. Paleolithic age is the stone age and Neolithic age is the new stone age. Agriculture Revolution is also called Neolithic Revolution. Population increased because the ability to care for young children . Many cities and towns were founded. Sumer- occupied the land between Tigris and the Euphrates. 14,000 years ago, worldwide human  race existed. 200,000 years ago human species emerged in  Southwest Africa.