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Vocabulary Ecosystem

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Term
Definition
Organism   Any individual living thing  
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Ecosystem   All the living and nonliving things in an area that interact with each other  
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biotic   All of the living parts of an ecosystem  
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abiotic   All of the nonliving parts of an ecosystem  
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Consumer   An organism that eats other living things to get energy;  an organism that does not produce its own food  
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producer   An organism that makes its own food; an organism that does not consume other plants or animals decomposer  
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decomposer   Organisms which carry out the process of decomposition by breaking down dead or decaying organisms  
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Community   A group of different populations that live together and interact in an  environment  
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population   A group of organisms of the same species that share a habitat and can breed with each other  
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Habitat   The location in which an organism lives  
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interdependence   The way in which living organisms depend on each other to remain alive, grow, and reproduce  
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food chain   A path of energy that flows from one organism to the next (it flows from the sun to the producers to the primary consumers, then to the secondary consumers, to the tertiary consumers.)  
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food web   A diagram of several connected food chains  
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niche   he role that an organism plays in the habitat and lifestyle of a population  
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 limiting factors   A resource or environmental factor that limits the size of a population. (the amount of water limits the amount of animals that can live there)  
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secondary consumer   an organism that eats the primary consumer  
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herbivore   an organism that only eats plants  
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carnivore   an organism that only eats meat  
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omnivore   an organism that eats both plants and meat  
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adaptation   The process by which the characteristics of a species change over many generations in response to the environment  
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predator   An organism, usually an animal, that kills another organism for food  
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prey   An organism that is hunted and eaten by another organism  
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photosynthesis   he process in which plants and some other organisms use the energy in sunlight to make food  
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chlorophyll   a green pigment that traps energy from the sun  
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symbiosis   The relationship between two organisms or species that live together in an environment  
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host   An organism that is infected by a parasite  
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parasite   An organism that lives in or on another organism (the host) and obtains nourishment from the host but provide nothing back to that host  
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environment   All the living and nonliving things that surround an organism  
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resource   A naturally material in or on Earth’s crust or atmosphere of potential use to humans  
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Created by: Crusher07
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