In your lab quiz you are provided with a hominid skull and asked to describe its unique characteristics and what they may tell you about the behavior of the individual.You notice that the gap typically seen between the canine and the third premolar on the lower jaw of living ape species is not present.On your answer sheet you note the following:
A)This individual most likely uses its teeth in dominance displays.
B)The teeth of this individual are adapted for processing plant and animal foods that require shredding.
C)This hominid skull belongs to an individual dated after the development of tools for food processing.
D)None of the above.

Question

Quizplus · Accepted Answer

The absence of a gap (diastema) between the canine and premolar suggests a reduction in canine size, which is associated with hominids that developed tools for food processing, reducing the need for large canines.

In Your Lab Quiz You Are Provided with a Hominid