$Australopithecus$(first ape-man) lived from 4 to 1.5 million years ago in cave during Pleistocene period. It was erect posture, omnivorous and have cranial capacity of 500-700 cc.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.