because the big game they had been hunting died out, the people had started eating more plants and small animals. they foraged during the season across the plains. in order to get more food, they started being less nomadic. this means that they decided to stay in one place for a longer time. the groups did not stop hunting, but they also ate wild plants and small animals. their tools became different. their tools started being able to grind and chop. this means that seeds, fruits, and plants became a bigger part of their diet. they would grind seeds into rough flour. around 3500bce, the people started making ceramics. pottery-making societies started.