A hypothesis that explains why hominin dentition has reduced in size through time includes the idea that:
A)tools perform the same functions in hominids that teeth perform in other hominoids
B)humans use weapons instead of teeth
C)cooperative hunting is inconsistent with canine threat displays
D)all of the above

Question

Quizplus · Accepted Answer

All the options provided contribute to the hypothesis explaining the reduction in hominin dentition size over time. Tools and weapons reduced the need for large teeth for processing food and defense, while the development of cooperative hunting and social structures made large canines, which are often used for threat displays in other primates, less necessary.

A Hypothesis That Explains Why Hominin Dentition Has Reduced in Size