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Science vocabulary

Author: JOHN HENSLEY
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Across
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Trapping of heat near Earth's surface by certain gases in the atmosphere
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A close relationship between two species that benefits at least one of the species
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An energy rich substance formed from the remains of organisms
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Number of different species in an area
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Typical weather pattern in an area over a period of time
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Study of the natural processes that occur in the environment
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Species that influence the survival of many others in an ecosystem
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Environment that provides the things an organism needs to grow, live, and reproduce
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Behavior or physical characteristics that allows an organism to live successfully in its environment
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Anything in the environment that is used by people
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Capable of being broken down by bacteria and other decomposers
Down
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Theory that increasing carbon dioxide in the atmosphere will raise Earth's temperature
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Species in danger of becoming extinct
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Study of how living things interact with eachother and their environment
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Process of cutting down all the trees in an area
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Advance of desert like conditions into areas that previously fertile
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Environmental factor that causes a population to decrease
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Process of restoring land to a more natural state
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Disappearance of all members of a species from Earth
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Practice of raising fish and other water dwelling organisms for food