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vocabulary words for aquatic ecosystems

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Term
Definition
biotic factor   biological influence on organisms within an ecosystem  
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abiotic factor   physical, or nonliving, factor that shapes an ecosystem  
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habitat   area where an organism lives, including biotic and abiotic factors  
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niche   full range of physical and biological conditions in which an organism lives and the way in which an organism uses its conditions  
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resource   any necessity of life  
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plankton   tiny free floating organisms in the water  
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phytoplankton   algae and other small photosynthetic organisms found near the surface of the ocean and forming part of plankton  
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zooplankton   tiny animals that form part of plankton  
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wetland   ecosystem in which water either covers the soil or is present at or near the surface of the soil for at lease part of the year  
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estuary   wetland at which rivers meet the ocean  
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detritus   particles in organic material that provides food for organisms at the base of the estuary's food web  
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salt marsh   temperate zone estuary dominated by salt-tolerant grasses of the low tide line and by sea grasses underwater  
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photic zone   well-lit upper layer of the oceans  
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aphotic zone   zone with no light below the photic zone  
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kelp forest   coastal ocean community named for its most abundent organism, kelp  
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coral reef   diverse and productive environment named for coral animals that make its primary structure  
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benthos   organisms that live attached to or near the ocean  
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