- Homo sapiens is the modern human being, they evolved in Africa, around 350 thousand to 300 thousand years ago.
- Australopithecus afarensis is an ancient hominid species, fossils found in Ethiopia indicate that these humans lived between 3.7 and 3 million years ago.
- Homo habilis is the oldest species given the name "homo" it follows the Australopithecus Afarensis and precedes the Homo erectus, these humans lived 2.5 million to 2 million years ago.
- Homo erectus is the earliest human species to have a body shape similar to the modern human. These humans lived 1.9million to 0.7 million years ago.
The correct answer is D. Homo erectus.