An anthropologist finds a fossil that is 4 million years old. Its pelvis suggests it walked upright. Which species could the specimen belong to?

Australopithecus africanus

Australopithecus afarensis

Homo habilis

Homo erectus

Australopithecus afarensis is hominin discovered in the Afar region in Ethiopia. He lived between 4 and 3 million years ago. The most famous fossil is named Lucy. Australopithecus africanus was dated as living between 3.3 and 2 million years ago. Homo habilis is much younger: 2.1 - 1.5 million years ago. Homo erectus is the youngest (from 1.9 million - 70,000 years ago). Answer: The specimen could belong to B) Australopithecus afarensis.

Australopithecus afarensis