The sagittal keel first appears in Homo erectus.

Both “focal animal” and “ad libitum” data may be collected when conducting a timed-sample study.

The Propliopithecid species known as Aegyptopithecus is well-represented and provides solid evidence of sexual dimorphism.

Match functional anatomy with locomotor adaptation.

Match species with tool type.

The first confirmed human fossils with bipedal adaptations date to the Miocene.

Feature A = Iliac Crest Feature B = Sciatic Notch Feature C = Ischium Feature D = Acetabulum

Match locomotor category with anatomical adaptation.

Identify the dietary adaptation of this primate.  

Modern humans have orthognathic faces due to canine crown and root size reduction.