While studying with you for an exam, a classmate claims that the only difference between australopithecines and early Homo species is that the latter had a bigger brain. What example could you give to demonstrate that there are other differences?

Answer: Homo species have smaller faces and teeth

Explanation:

The homo species has a larger brain as compared to the primitive Australopithecus and other hominin species. Along with this feature the homo species also have a smaller face as well as teeth as compared to the Australopithecus and other related species. These features give the morphology of homo species a form of modern human. These features distinguish the humans from ape like ancestors. Although humans still retain some ape like features like long arms and slightly prognathic face.