Your roommate, a staunch vegetarian, argues that eating meat is unhealthy. you counter this argument by noting that the latest research in paleoanthropology suggests that

The latest research in paleoanthropology suggests that we might not be the tall, big brained humans today if our hominid ancestors had not eaten meat.

Paleoanthropology  is a division of archaeology which focuses on human being and tries to comprehend the early development of anatomically modern humans, This procedure is called hominization.

answer; sociological imagination;