2PrimatesGroup of mammals including humans, monkeys, and apes.
3Characteristics of Primates Opposable ThumbAllows graspingBinocular VisionAllows depth perceptionFlexible shoulders and rotating forelimbs
42 Major Groups of Primates ProsimiansIncludes lemurs and tarsiersAnthropoidsIncludes monkeys, apes, and humans
5HominidsHumanlike primatesAppeared between 4 and 6 million years ago
6Characteristics of Hominids Ate both meat and plantsWalked upright on two legsShared characteristics with gorillas, orangutans, and chimpanzeesHad a larger brain than apes
7Early Hominids Early 1920’s a skull with a small brain case but humanlike jaws and teeth was found in South Africanamed AustralopithecusOne of the oldest hominids discovered
8Early Hominids1974an almost complete Australopithecus skeleton was found in northern Africanamed LucyIndicated that Lucy walked upright
9Early Humans Homo habilis Found in Africa in the 1960’s Even more similar to modern humansAlso found simple toolsEstimated to be 1.5 to 2 million years oldThought to be an early human ancestor
10Early Humans Homo erectus Thought to be a descendant of homo habilis Thought to live 1.6 million years agoHad a larger brain than homo habilisThought to have traveled from Africa to Southeast Asia, China, and possibly Europe
11HumansHomo sapiensEvolved about 400,000 years ago
12Humans Neanderthals Lived about 125,000 years ago Physical characteristics:short, thick bones, small chins, heavy browridgesLived in family groups in caves and hunted large animals with stone tools.Disappeared from the fossil record about 30,000 years ago.May have been a side branch on the human evolution tree
13Humans Co-Magnon Humans Lived from about 10,000 to about 40,000 years ago.Lived in Europe, Asia, and AustraliaPhysically resembled modern humansLived in caves, made stone carvings and cave drawings, and buried their deadThought to be the direct ancestor of early humans, Homo sapiens.