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ecology stack. for ms. runyon. by surina

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Answer
biosphere   part of earth that supports life, including the top portion of earths crust, the atmoshpere, and all water on earths surface.  
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carrying capacity   the largest number of individuals of a particular species that an ecosytem can support over time.  
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commensalism   a symbiotic relationship where one organism benefits and the other is not affected.  
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community   all the populations of different species that live in an ecosystem.  
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consumer   organism that cannot create energy-rich molecules but obtains its food by eating other organisms.  
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ecology   the study of the interactions that take place among organisms and their environment.  
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ecosystem   all the living organisms that live in an area and the nonliving features of their environment  
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habitat   where an organism lives that provides types of food, shelter, moisture, and temperature needed for survival.  
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limiting factor   anything that can restrict the size of a population, including living and non-living features of an ecosystem, such as predators or drought.  
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mutualism   a symbiotic relationship in which both organisms benefit.  
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niche   in an ecosystem, refers to the unique ways an organisms survives, obtains food and shelter, and avoids danger.  
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parasitism   a symbiotic relationship in which one organism benefits while the other is harmed.  
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population   the organisms that belong to the same species living in a community.  
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producer   organism, such as a green plant, that gets its energy from an outside source such as the sun.  
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symbiosis   any close relationship between two organisms  
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predator   the organism that feeds on another organism for food.  
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prey   an organism that is harmed in order to feed another organism.  
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competition   a quarrel between two organisms usually because of food.  
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chemosynthesis   process in which producers make energy rich nutrient molecules from chemicals  
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food web   model that shows the complex feeding relationships among organisms in a community.  
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energy pyramid   model that shows the amount of energy available at each feeding level in an ecosystem.  
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food chain   the order in which an organism eats another.  
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