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Ecosystems

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Term
Definition
ecosystem   All of the biotic and abiotic factors in an area.  
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population   A group of organisms of one species that live in an area at the same time.  
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community   All of the populations in an area.  
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niche   The role that an organism has in an ecosystem.  
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habitat   The place in which an animal lives.  
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Tropical Rainforest   warm, large rainfall, thick plant growth, near equator, terrestrial  
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Deciduous Forest   loses leaves during fall, covers eastern U.S., filled with oaks, elms, and maples, changing during winter months, terrestrial  
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Grasslands   covered with grasses, few trees, small amounts of rainfall, animals like bison, antelope, and prairie dogs eat grass, terrestrial  
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Taiga    
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