Explanation:
Peking man is characterized by a cranial capacity averaging about 1075 cubic centimeter. Peking man had a skull that was flat in profile, with a small forehead, a keel along the top of the head for attachment of powerful jaw muscles, very thick skull bones, heavy brow ridges, an occipital torus, a large palate and a large chinless jaw. The Pleistocene rocks from which fossils of peking man were excavated are about 6 lakh years old.