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Word Wall Words

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Bioluminescent Organisms   Organisms that make their own light.  
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Hydrothermal Vents   Underwater volcanoes that spew out steam.  
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Marine Snow   Organic particles that float downward and serve as food for marine life.  
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Trench   Deepest parts of the ocean and are formed by plate tectonics.  
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Chemosynthesis   Using chemicals and heat energy to make food.  
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Estuary   Where the tide meets a stream at the mouth of a large river.  
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Salinity   The salt level in water.  
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Ecosystem   A system formed by interacting organisms with their environment.  
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