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Earths oceans

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
Food chain   series of organisms in which each feeds on the one on the next lower level  
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Food web   network of interconnected food chains in an ecostystem  
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Biodiversity   when an organism is different from another organism  
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Upwelling   carries cold water from deep in the ocean up to the surface  
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Photosynthesis   When plants make their own food by using the sunlight also used in the ocean by underwater plants  
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Chemosynthesis   when autotrouphs in the ocean use chemical bonds to make their own food  
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Hydrothermal vents   openings in the ocean that release heat  
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Salinity   the amount of saltiness in the ocean  
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Nektons    
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Benthos    
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Plankton    
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Phytoplankton    
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Zoo plankton    
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Created by: AudLaw2020
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