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science note for grade 9

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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Question
Answer
Biotic   the living parts of an ecosystem  
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ecosystem   all the interacting parts of a biological community and its environment  
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sustainable ecosystem   an ecosystem that is capable of capable of withstanding pressure and giving support to variet  
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aquatic ecosystem   an ecosystem that is water based either fresh water or salt water.  
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terrestrial ecosystem   An ecosystem that is land based.  
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Abiotic   the non-living parts of an ecosystem.  
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lithosphere   the hard part of the earths surface.  
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hydrosphere   all the water found on earth, including lakes, oceans, and ground water.  
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atmosphere   the layer of gases above earths surface.  
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biosphere   the regions of earth where living organisms exist.  
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solar eclipse   occurs when moon blocks sun  
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lunar eclipse   occurs when the moon is in the earths shadow  
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