Generally, they hunted wild animals, caught fish and birds, gathered fruits, roots, nuts, seeds, leaves, stalks and eggs. They have eaten up all the available plants and animals resources where they stay for a long time, for the search of food they have to move from place to place. When they plant a seed, it takes some time to grow. Depending on the type of seeds used, the time taken would vary from days, weeks, months and years. It means they had to stay in the same place to take care of the plants by watering, weeding, driving away animals and birds – till the grain ripened. For farmers and herders, the food source would be crops and domesticated animals like sheep, goat; whereas hunters would rely on wild animals as a source of food. Farmers and herders would stay in huts or houses, whereas hunter-gatherers would stay in caves. People used fire for many of these purposes such as Clearing forest area, Cooking and protection from the wild animal.