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When and where were dinosaurs wiped out?
- -65 millions years ago
- -Giant impact at Cretaceous-Tertiary (K-T) boundary
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The Key distinguishing aspect of Homo genus and uses
- -Bipedalism
- -frees arms
- 1. Foraging and feeding
- 2. Using tools
- 3. Fighting
- 4. Bringing food back to family
- 5. improved thermal regulation (Factor of 4)
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The last ice age was
18,000 years ago
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Factors for the development of human intelligence
- 1. Environmental pressures
- 2. Social interactions
- 3. Sexual selection
- 4. Nutrition
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culture
The learned behavior transmitted from generation to generation
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Early humans used fire how many years ago?
790,000 years ago
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The first "killerapp"
The control of fire
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What did fire provide for early and modern humans?
- 1. Light (extending walking hours)
- 2. Warmth
- 3. Protection from predators and insects
- 4. Tool for hunting and tool making
- 5. Colonize in colder climates
- 6. Cook food
- 7. Improve communication skills
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First evidence of Homo sapiens
- 195,000 years ago
- -Omo river in Ethiopia
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Humans trading how many years ago?
120,000 years ago
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where did trade evolve from?
Specialized sex roles in humans
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How does specialization roles promote economic growth?
eliminates inefficiency
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Humanity's second killer app
Trade
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When and where was human civilization born?
- -8,000 years BC
- -In the Fertile Crescent, southwest Asia
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Humanity third "killer app"
The cultivation of grain
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What is civilization characterized by?
- 1. agriculture
- 2. long-distance trade
- 3. Occupational specialization
- 4. Urbanism
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The first working steam engine was invented by
- James Watt in 1765
- - converted heat from burning fuel into kinetic energy
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The key resources that made the industrial revolution possible
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