ANTA01H3 Lecture 5: Lecture 5.pdf
Document Summary
Hominoids: lesser & greater apes, y5 cusp pattern (dentition, dental formula: 2- 1- 2- 3, large bodied, quadrapedal, arboreal, tailless, tool use, locomotion. Hominins: 5- 8 mya, share 98% dna, ancestor of both homo & pan, specialized locomotion. Hominins: cooling & drying event, retreat of rainforests (5mya evolution of bipedalism) Taung child a. africanus: brain imprint, first australopithecine found. Mrs. ples adult africanus: thought to be adult female, most likely young male. P. robustus (african form: aethiopicus black skull, garhi, boisei dear boy. Sahelanthropus tchadensis: african robust forms likely evolved from earlier gracile forms in e. africa. In s. africa the robust were believed to. Australopithecines: retention of some form of adaptation to arboreal life, evolution of erect bipedal position long before acquiring highly. 5. 8- 5. 2mya in awash valley, ethiopia. Single bone toe suggests bipedalism. 4. 4mya in awash valley, ethiopia. In between trait: canines & molars larger. Ardi october 2nd 2009. Fm bipedal on land, still arboreal.
