This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: PALEOGENE AND NEOGENE: Australopithecus : Ancient humans but not really. Genus of fossil hominids, believed to have lived at least 4 mya until 1 mya found in southern and eastern Africa. They include the gracile australopithecines (A. africanus) at around 2.5 mya, the robust at about 2 to 1 mya and an older species, A. afarensis at about 3.5 mya found in Kenya and Ethiopia. They had an upright posture and a relatively small brain compared with Homo. Fossils now accepted as australopithecines were also formally known as Paranthropus and Zinjathropus. A. africanus and A. robustus are offshoots from the direct line of human evolution and A. robustus is contemporaneous with early species of Homo. Bipedal : Two feet Endothermy : Heat the body up when its cold outside to continue functioning. Warm-blooded Feather : Fly swatters of the birds. Light. Muscle power needs to be able to life the birds. Instead of being out of skin, they created feathers. Shafts with barbs that are attached to each other by of being out of skin, they created feathers....
View Full Document
- Spring '08