Answer
The Paleolithic and Neolithic are the two main divisions of the Stone Age. The Paleolithic is the earlier division, lasting from around 2.5 million years ago until around 10,000 years ago. The Neolithic is the later division, lasting from around 10,000 years ago until around 4,500 years ago. The Paleolithic is characterized by the use of stone tools, hunting and gathering, and a nomadic lifestyle.