Final answer:
Humans differ from other primates primarily through our hip structure supporting bipedalism, our advanced technological capabilities, and our complex abstract thought and cultural adaptations. Our ability to walk upright efficiently, create and use sophisticated tools, and develop complex social structures and languages are features that are not shared with other primates.
Step-by-step explanation:
While humans share many characteristics with other primates, there are certain features that distinguish us. Specifically, the hip structure supporting bipedalism is a trait unique to humans in the primate family. Other primates may exhibit bipedal tendencies occasionally, but humans have evolved a specialized pelvis, femur, and vertebral column that allow for efficient, upright walking on two legs as the primary form of locomotion. By contrast, most other primates are quadrupedal and have limb structures optimized for arboreal locomotion, such as brachiation, or climbing and swinging through trees.
Furthermore, the development of advanced technology and the ability to invent new tools and pass on this technical know-how distinguishes humans from other primates. Even though some other primates and certain bird species show traces of this ability, the sophistication and complexity of human technology, aided by our manual dexterity and language capabilities, are unparalleled in the primate order.
The adaptive success of humans is also connected to our abstract thought and cultural adaptations. While other primates have complex social structures and can demonstrate a range of intelligent behaviors, none match the depth and breadth of human cultural practices and the use of symbols and language to communicate complex ideas and emotions. Anthropologists often utilize comparative studies of human and nonhuman primates to better understand the unique aspects of human culture and behavior.