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erase after 4-6-12

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
manufacture their own food   producer organism  
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organism that uses food manufactured by other organisms   consumer organism  
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the exchange of carbon between organisms carrying on photosynthesis and those carrying on cellular respiration; functions in relationship w/ the oxygen cycle   carbon cycle  
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the process by which nitrogen moves, in various compounds, thru biotic and abiotic communities as it is used and reused   nitrogen cycle  
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is a change that takes place during one 24 hour period   rhythm  
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daily rhythm, a change that takes place in a 24 hour period   circadian rhythm  
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active at night and rests during the day   nocturnal  
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opposite of nocturnal, active during day and rests at night   diurnal  
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a change in the ecosystem that occurs with the change of season (usually once per year)   seasonal rhythm  
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the tissues of a new stem and leaves or flower that are covered by scales during a period when there is no growth   dormant bud  
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a dormant state involving a slowing of life processes; permits certain animals to survive winter conditions   hibernation  
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the exchange of oxygen between organisms carrying on photosynthesis and those carrying on cellular respiration; functions in relationship with the carbon cycle   oxygen cycle  
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