Explanation:
Homo erectus (Erect man) appeared about 1.7 million years ago in middle Pleistocene. Homo erectus evolved from Homo habilis. He was about \(1.5-\) 1.8 metres tall. He had erect posture. His skull was flatter than that of modern man. He had protruding jaws. Projecting brow ridges, small canines and large molar teeth. The cranial capacity was \(800-1300 \mathrm{cc}\) (Java man 800 - 1000 cc, Peking man 850 - 1100 cc, Heidelberg man about 1300 cc) i.e. average \(900-1000\) cc. Cranium was domed to accommodate the large brain. He was omnivorous.