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11 Cards in this Set
- Front
- Back
biosphere
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the layer around the Earth in which life occurs naturally
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developed countries
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highly industrialized countries with high incomes and high standards of living
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developing countries
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less industrialized countries in which the average income and standard of living are low
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ecology
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study of how living things interact with each other and with their nonliving environments
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environment
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the surroundings of an organism that affect its life and development
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environmental science
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study of how humans interact with the environment
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experiment
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activity designed to test a hypothesis under controlled conditions
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natural resource
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any natural substance that humans use, such as sunlight, soil, water, plants, and animals
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population crisis
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situation in which the number of people grows so quickly that a region cannot support them
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pure science
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study and activity that seek answers to questions about how the world works
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sustainable world
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world in which human populations can continue to exist indefinitely with a high standard of living and health
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