Gorillas and chimps weren't around when the Australopithecines was
NO
Homo erectus did not co-exist with any of the Australopithecines.
The Australopithecines did not have religion or ceremonies. The earliest evidence for brain development sufficient to allow symbolic behaviour and these kind of behaviours is associated with Neanderthal which appeared 600,000 years after the last Australopithecines disappeared.
they didnt invent anything
Chimpanzees are mammals. Because of that, they have a backbone. Therefore, Chimpanzees are vertebrates.
It's commonly thought that Australopithecines had no language ability. But even if they did, we would have no way of knowing anything about it, since it would not have been written.
These are some of the names anthropologist use to classify 'cavemen'.Australopithecines (Robustus) Australopithecines (Gracile) Australopithecus Cro-Magnon Homo Habilis
afarensis
They were both bipedal.
Australopithecus didn't wear any clothes
The plural form of Australopithecus is Australopithecines.