Sahelanthropus, Orrorin, and Ardipithecus have in common the fact that they:

Question

Quizplus · Accepted Answer

All three Sahelanthropus, Orrorin, and Ardipithecus were bipedal, meaning they walked on two legs. This is a trait that distinguishes hominins (human-like species) from apes, who walk on four legs. None of the three species listed made tools that we know of, and they all lived in Africa, so they did not expand their territory outside of the continent. While they may have had slightly larger brains than some living apes, their brain size was not larger than all ape species, making option A incorrect.

Sahelanthropus, Orrorin, and Ardipithecus Have in Common the Fact That