ANTH 2050 Chapter : Anth 2050 E1
Document Summary
Early hominins: our family tree is extremely complex. The great apes: mammals, primates, organization, gorilla, human, chimps and bulabos, family tree, orangutans diverged before the rest, gorillas split, then humans, then chimps. Book figure regarding how change in global temperatures effected evolution and progression. Our family tree: fossil record was very scant between 10 to 4 mya, ca. Lucy found by donald johanson and colleagues at hadar, ethiopia in 1974. Around the same time as lucy was discovered scientists found the laetoli footprints. Footprints are of 2 adults and a child. Chimps (can walk upright, but not very efficiently) Control over body temperature in hot, sunny climates. Bipedalism came before tool-making and evidence of a larger cranium. Discovered in 1924 by raymond dart in south africa. Knm er 406 found in koobi fora, kenya. Several species of australopithecines co-existing (side branches that do not lead to modern humans) Gracile lineage most likely led to ancestors of modern humans.
