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12 Cards in this Set
- Front
- Back
Study of all the interactions among organisms and their environment
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Ecology
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Any nonliving part of the environment, such as water, sunlight, temperature and air
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Abiotic factor
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Any living or once-living organism in the environment
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Biotic factor
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All the members of one species that live in the space at the same time
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Population
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All of the populations of different species in a given area that interact in some way and depend on one another for food, shelter and other needs
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Community
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All of the communities in a given area and the abiotic factors that affect them
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Ecosystem
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Part of Earth that supports life -- the top part of Earth's crust, all the waters covering the Earth's surface and the surrounding atmosphere; includes all biomes, ecosystems, communities and populations
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Biosphere
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Number of indiciduals in a population that occupies a definite area
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Population Density
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Any biotic or abiotic factor that limits the number of individuals in a population
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Limiting factor
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Any close interaction among two or more different species, including mutualism, commensualism and parasitism
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Symbiosis
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Role of an organism in the ecosystem including what it eats, how it interacts with other organisms, and how it gets food
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Niche
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Place where an organism lives
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Habitat
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