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Ecology

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Question
Answer
Biotic   organisms & materials produced by organisms (living)  
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Abiotic   inorganic (nonliving) factors  
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Population   all the individuals of one species in an area  
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Community   all the individuals of all species in an area  
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Ecosystem   combination of all the biotic & abiotic factors in an area  
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Biome   Very large areas of Earth with similar climates & ecosystems  
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Climate   generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year,  
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Decomposer   break down the remains of organisms, providing nutrients to the soil for plants. Usually bacteria and fungi.  
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Producer   Usually plants. Through PHOTOSYNTHESIS, convert sun’s energy into chemical energy (sugars)  
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Consumer   Usually animals. Get their energy by eating other organisms.  
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Adaptation   a form or structure modified to fit a changed environment  
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Niche   The function or position of an organism or a population within an ecological community.  
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Equilibrium   A condition in which all acting influences are canceled by others, resulting in a stable, balanced, or unchanging system  
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Photosynthesis   The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source.  
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Organism   any 1 living thing.  
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Ecology   study of organisms and their interactions with & within their environment  
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Primary Succession   the development of plant and animal life in an area without topsoil  
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Secondary Succession   the progressive replacement of one community by another until a climax community is established.  
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Limiting Factors   are things that limit the growth of a population of animals  
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Food Pyramid   A graphic representation of the structure of a food chain, depicted as a pyramid having a broad base formed by producers and tapering to a point formed by end consumers.  
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Autotroph   any organism capable of self-nourishment ex) plants  
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Heterotroph   An organism that cannot manufacture its own food and instead obtains its food and energy by taking in plants or animals  
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Resources   A source of energy supply  
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Predator   An organism that hunts its food  
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Prey   An organism that is food  
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Parasite   An organism that benefits at the harm of its host  
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Host   A living animal or plant on which a parasite lives  
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Compost   A mixture that consists of largely of decayed organic matter and is used for fertilizer  
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Biodiversity   Different species of plants and animals in a biome  
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Microhabitat   Area inside an ecosystem that supports different organisms than the ones in the big ecosystem  
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Catastrophic Event   A event that changes the shape of the land and effects the organisms in the area  
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Carnivore   meat eater  
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Herbivore   Plant eater  
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Omnivore   plant and meat eater  
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Habitat   area in which an organism lives  
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