What do humans do on Earth? Like other animals, they provide for their needs and play.
The pattern of human activity can be broken down into four main components:
Whether you are talking about a primitive society or an industrialized one, the principle is the same. Only the quantities and sophistication of the exploitation change. We will first briefly examine each component of this pattern, then identify the interactions in the following section and see how the evolution of one affects the evolution of the others.