An archaeologist discovers several skeletons and a collection of stone tools of the same age in a cave. The individuals were clearly bipedal. The skull shows that the individual had a small brain (compared to modern humans)and apelike teeth. Which of the following did the archaeologist most likely discover?

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The description matches the characteristics of Australopithecus afarensis, an early hominid species that lived around 3-4 million years ago. They were bipedal, had small brain sizes, and apelike teeth. The other options, Homo sapiens, Homo habilis, and Neandertals, all had larger brain sizes and more advanced features than Australopithecus afarensis.

An Archaeologist Discovers Several Skeletons and a Collection of Stone