Final answer:
Ur and Uruk were early cities in the Fertile Crescent studied by archaeologists.
Step-by-step explanation:
Examples of early cities/towns in the Fertile Crescent studied by archaeologists include Ur and Uruk. These cities were located in ancient Mesopotamia, which is modern-day Iraq. Ur was one of the most important cities during the Sumerian period, while Uruk was one of the earliest true cities in world history and played a significant role in the development of Mesopotamian culture.