You are studying a fossilized primate skull and notice that the foramen magnum is located at the center of the base of the skull. You conclude that the skull belonged to a:
A) gibbon.
B) quadruped.
C) brachiator.
D) bipedal primate.
E) knuckle walker.

Question

Quizplus · Accepted Answer

The location of the foramen magnum at the center of the base of the skull is a key indicator of bipedalism. This positioning allows the skull to balance on the vertebral column in an upright posture, which is characteristic of bipedal primates.

You Are Studying a Fossilized Primate Skull and Notice That