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Ecology Terms

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Term
Definition
Abiotic   Non-Living  
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Biotic   Living  
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Habitat   The place where an organism lives in order to obtain its food, water, shelter and other things needed for survival  
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Biome   Individual Ecosystems  
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Niche   The particular role of an organism in its environment including type of food it eats, how it obtains its food and how it interacts with other organisms  
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Immigration   Add members to a population in an ecosystems (Not by birth)  
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Emmigration   When an organisms leaves its ecosystems  
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Limiting Factors   Controls the size of population  
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Community   All the different populations in a specific area or region at a certain time  
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Population   All of the individuals of a given species in a specific area or region at a certain time  
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Ecosystem   One or more communities in an area and the abiotic factors  
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Producer   Produces energy  
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Consumer   Eat the producer such as herbivores, carnivore, and omnivores  
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Herbivore   Animals that eat plants  
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Carnivore   Animals that eat meat  
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Omnivore   Animals that eat both plants and meat  
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Scavenger   An animal that feeds on carrion, dead plant material, or refuse  
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Carrying Capacity   The maximum number of organisms that can survive in a particular ecosystem  
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Predator   An animal that naturally preys on others  
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Prey   An animal hunted and killed by another for food  
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Renewable Resource   Resources that can be replaced and reused by nature  
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Nonrenewable Resource   Natural resources that cannot be replaced by nature  
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Soil   one of the most valuable abiotic factors in an ecosystem because everything that lives on land depends directly or indirectly on soil  
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Groundwater   Water that soaks into the ground  
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Permeable   Soil and rock that allow the water to pass through  
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Impermable   Soil and rock that don't allow the water to pass through  
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Aquifer   Groundwater can also flow slowly through the underground rock or be stored in underground layers  
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Zone of Saturation   The area where the water has filled all the space in the soil  
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Divide   The high ground between two drainage basins  
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Drainage Basin   An area that is drained by a river and all the streams that empty into it, the tributaries  
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Watershed   Drainage Basin  
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