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17 Cards in this Set
- Front
- Back
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How long have humans been on earth?
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60,000 years
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How old is our solar system?
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4.6 billion years
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Up until when were humans hunter gatherers?
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Until about 12,000 years ago
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Generally, how big was a group of hunter-gatherers?
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Small, usually less than 50 people
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How did hunter-gatherers affect the environment?
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1) they used more advanced tools and fire to convert forests into grasslands, 2) contributed to the extinction of some large animals, and 3) altered the distribution of plants as they carried seeds around
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When did the agricultural revolution begin?
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About 10,000-12,000 years ago
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How is the life during the agricultural revolution different than that of a hunter-gatherer?
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In the agricultural revolution, groups of people began settling and creating communities in which they domesticated plants and animals
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What type of cultivation did they use during the Agricultural revolution?
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Slash-and-burn and shifting
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Why did the people of the agricultural revolution have a small impact on the environment?
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1) their dependence on mostly human muscle power, 2) their low population size, and 3)shifiting cultivation = sustainability
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When did the industrial revolution begin?
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In the 1870s, about 275 years ago
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When and Where did the industrial revolution begin?
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England in the 1700s
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During what revolution was there a shift between use of renewable to non renewable energy sources?
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Industrial
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What is the current cultural shift called?
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Information and Globalization revolution
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What is positive about the information and globalization revolution?
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we are finding out new information on how to respond to environmental problems more effectively
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What is negative about the information and globalization revolution?
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there is so much information that we are being faced with that the small useful amount may be overlooked
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Describe the tribal era.
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North America was occupied by 5-10 million people. they practiced hunting and gathereing and had little impact on the environment
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When did the frontier era begin?
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1607
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