Compared with the Dentition of Chimpanzees, Sahelanthropus Tchadensis Had

Question

Compared with the dentition of chimpanzees, Sahelanthropus tchadensis had
A) larger canines.
B) upper canines that are not sharpened against the lower premolar.
C) thinner enamel.
D) larger incisors.

Accepted Answer

Sahelanthropus tchadensis had upper canines that were not sharpened against the lower premolar, which is a derived feature not seen in chimpanzees. The other options are incorrect as Sahelanthropus tchadensis had smaller canines and incisors compared to chimpanzees, and had thicker enamel.