2. The First Humans Theories on prehistory and early man constantly change as new evidence comes to light. - Louis Leakey, British paleoanthropologist
3. Geologic Time Earth – 4.5-6 Billion Years old Carbon Dating – When things die they stop absorbing carbon Uranium Dating – Can date things much older than carbon
4. Geologic Time 1 Billion Years ago – First life 65 million years ago – Dinos lived 4 million years ago – First “human like” creatures – Lucy 1,750,000 First Human – “Cavemen” 6,000 years ago first civilization
6. Stages of Early Human Development 1. 4,000,000 BC – 1,000,000 BC Paleolithic Age:( Old Stone Age ) 2,500,000 BC to 8,000 BC 2. 1,500,000 BC -- 250,000 BC 3. 250,000 BC – 30,000 BC 4. 30,000 BC -- 10,000 BC
7. STAGES OFDEVELOPMENT 1. Australopithecus – “Lucy” 4 Million years ago Early Hominid – 4 ft tall 2. Homo Habilis – Human with abilities 1.5 million years ago 3. Homo Erectus – Walks Upright 4. Homo Sapien – Person who thinks
24. Stage 4 200,000 BC – 10,000 BC HOMO SAPIENS( “Wise Human Being” ) Neanderthals( 200,000 BC – 30,000 BC ) Cro-Magnons( 40,000 BC – 10,000 BC ) “Ice Man”
38. Shift from food gathering to food productionMiddle East India Central America China Southeast Asia 8,000 BC 7,000 BC 6,500 BC 6,000 BC 5,000 BC
39. AGRICULTURAL REVOLUTION Domestication – adaptation of plants and animals for use. (crops, pigs, cattle, goats) Used ashes, fish and manure for fertilization People’s diets improved with domestication Will eventually be too much of a good thing.
51. The Agricultural Revolution What role did the food supply play in shaping the nomadic life of hunter-gatherers and the settled life of the farmers?
52. Why is the "Neolithic Revolution" a turning point in human history??
53. What is the next step in the development of human settlements??
