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1
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Variety of organisms, their genetic differences, and the communities and ecosystems in which they occur
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2
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The absorption and incorportion of nitrogen into organic compounds by plants
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3
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circular pathWay of water on Earth from the atmosphere, to the surface, below ground and back
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4
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Organisms that consume plants or other organisms to obtain energy
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5
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The place where a particular population of a species lives
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6
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The path of energy through the trophic levels of an ecosystem
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7
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Circulation of substances through living organisms from or to the environment
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9
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Water vapors are released by plants
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10
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The many different species that live together in a habitat
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12
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An animal that eats other animals
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17
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An organism that eats both plants and animals
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21
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An organism that eats plants only
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22
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Organisms that capture energy to produce their food
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23
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Consists of a community and all the physical aspects of its habitat
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24
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Study of the interactions of living organisms and their environment
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