Final answer:
Paleolithic peoples are characterized by being hunter-gatherers, nomadic, creating art, and using crude tools. They did not engage in agriculture, which is an aspect of the Neolithic period, not the Paleolithic.
Step-by-step explanation:
Paleolithic peoples are characterized by the following: Hunter-Gatherer, Nomadic, Artist, and Work with crude tools. These early humans hunted wild animals for meat and gathered food, firewood, and materials for making tools and shelters. As hunter-gatherers, they did not grow crops, which is a Neolithic development that came after the Paleolithic period. They often lived in nomadic bands and created art such as cave paintings and jewelry. They used crude tools made of stone, wood, and bone. Therefore, the correct answer to the question, "Paleolithic peoples are characterized by which of the following?" is D) I, II, III, and IV.