The specialization by individuals or groups in the performance of specific economic activities is

The specialization of individuals or groups in particular economic tasks is called the division of labor. For example, one person may produce food while another makes tools, allowing each to focus on a specific activity. Urbanization means the growth of cities, barter is direct exchange of goods, and mechanical solidarity describes social cohesion based on shared ways of life.

AI-written and checked against the verified answer.