Final answer:
Primatologists gain insights into human evolution through studying other primate species.
Step-by-step explanation:
Primatologists gain insights into human evolution through studying other primate species. By examining the behavioral and physical attributes of both living and fossil primates, anthropologists can understand the origins of human intelligence, technology, and culture. Studying nonhuman primates in their environments helps researchers understand variations in behavior and shed light on humanity's ancient past.