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Ecosystems

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Term
Definition
Abiotic Factor   an environmental factor that is not associates with the activities of living organisms  
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Artificial Reef   a human-made structure that is built or placed underwater for the purpose of replacing depleted or of enhancing existing coral reef ecosystems  
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Biome   a large region characterized by a specific type of climate and certain types of plant and animal communities  
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Biotic Factor   an environmental factor that is associated with or results from the activities of living organisms  
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Community   all the populations of species that live in the same habitat and interact with each other  
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Consumer   an animal that eats other organisms or organic material  
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Decomposer   an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients  
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Ecology   the study of the interactions of living organisms with one another and with their environment  
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Ecosystem   a community of organisms and their abiotic, or nonliving, environment  
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Estuary   an area where fresh water mixes with salt water from the ocean  
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Food Web   a diagram that shows the feeding relationships between organisms in an ecosystem  
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Overharvesting   catching or removing from a population more organisms than the population can replace  
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Parasitism   a relationship between two species in which one species, the parasite, benefits from other species, the host, which is harmed  
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Population   a group of organisms of the same species that live in a specific geographical area  
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Predator   and organism that kills and eats all or part of another organism  
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Prey   an organism that is killed and eaten by another organism  
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Producer   an organism that can make its own food by using energy from its surroundings  
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Runoff   precipitation that flows over the land and into streams and rivers  
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Wetland   an area of land that is periodically underwater or whose soil contains a great deal of moisture  
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Created by: Mrs_Gore
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