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6 Cards in this Set
- Front
- Back
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result of mass extinction
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major changes in earth's biota, like how extinctions led to evolutionary radiation
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what led to enormous increases in human population
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creation of metal tools and industrial revolution
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what has led to increses in human resource use
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increasing per capita resource consumption and exponential increase in human population
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cause of today's extinctions
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1. habitat destruction or degradation (greatest threats)
2. overexploitation (hunting, fishing, logging) 3. introduction of nonnative species 4. pollution 5. global climate change |
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why should we value biological diversity
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1. aesthetic value
2. moral value 3. utilitarian value of species 4. ecosystem services |
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preventing extinctions
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1. protect remaining intact ecosystems
2. managing endangered species 3. restoring ecosystems 4. controlling human population |
