what is the difference between homo erectus and habilis
. Australopithecus, Homo habilis and Homo erectus are different from Homo sapiens because the Homo sapiens have a larger brain mass and larger skull structure. The moder â¦ n human today is related to the early homo sapiens but back then they where a lot shorter and more robust than we are today.orphology: Homo erectus had a proportionally larger brain than Homo habilis, and smaller teeth. See related links below for modern reconstructions of these species physical appearance. Posture: H. erectus walked upright, much like the modern human. However, H. habilis stooped over and did not walk upright.