Final answer:
Many societies in the early civilization era had nomadic lifestyles and hunter-gatherer societies.
Step-by-step explanation:
A characteristic of many societies in the early Civilizations Era (8000 B.C. - 500 B.C.) was nomadic lifestyles and hunter-gatherer societies. During this period, human communities were often small and mobile, relying on hunting animals and gathering resources for survival. Settlements were not permanent, and technological advancements were limited to basic tools. Centralized governments and extensive maritime trade networks emerged later in history. This era marked a transition from nomadic lifestyles to settled agricultural communities, laying the foundation for the development of more complex civilizations in subsequent centuries.