ANTH100 Chapter Notes - Chapter 6: Ancient Dna, Denisovan, Oldowan

• School: University of Waterloo
• Department: Anthropology
• Course: ANTH100
• Professor: Robert Park

Document Summary

10 mya close to miocene epoch = grasslands took over the forests and many hominoids went extinct. Natural selection favoured bipedalism (walking on 2 feet) Australopiths - hominins that aren"t homo (human) Mosaic evolution - over time, different phenotypic traits, responding to different selection pressures, evolve at different rates. Easier to exploit food resources outside of shrinking miocene forests. Upright posture = easier to spot predators. Allows less skin to be in contact with the sun. Australoptihs - oldest hominins found in africa (miocene) Australopithecus afarensis - most early hominins from laetoli ethiopia forest (nicknamed the. Big toe in line with the foot. Allows for bipedalism (support and centre of gravity) Apes have a diastema (a space in the upper jaw where the canine teeth from the lower jaw t when the mouth is closed) Small front teeth, large cheek teeth, small face, lightly built. South africa = controlled re and cooked meat.