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Science

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Term
Definition
Niche   the role of an organism in its habitat ; including how an organism eats, and what other organisms eat it  
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Competition   more than one species of organism can live in the same habitat while obtaining the same food  
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Predation   an interaction in which one organism kills another for food and/or nutrients  
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Symbiosis   any relationship in which two species live closely together  
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Commensalism   a relationship in which one species benefits while the other species is neither helped or harmed  
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Mutualism   a relationship in which both species benefit  
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Parasitism   a relationship in which one species benefits and the other is harmed  
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Succession   when ecosystems and their communities are changing all the time  
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Pioneer Species   the first species to populate and live in an area  
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Colonize   the occupation of a habitat or territory by a single population of species  
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Dominate   to take over or control  
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Ecosystem Services   the benefits humans receive from an ecosystem(s)  
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Ecology   the study of how organisms interact with their environment  
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Natural Resource   resources from nature ; not man-made  
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Conservation   the practice of using less of a resource(s)  
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Sustainability   the way humans interact with their environment(s) the insures there will be enough resources for the future  
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Ecological Restoration   the process of the recovery of an ecosystem  
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