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Blume ch3#36-43

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
why did we compare a cells permeable membrane to a screen on a window?   because it keeps bigger things out and lets some small things in.  
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describe diffusion:   when something moves from one place to another.  
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what is equilibrium?   when any surface inside and outside is equal.  
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what would cause a human cell to use fermentation instead of cellular respiration?   lack of oxygen.  
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What two things do producers give off as wastes that consumers need?   oxygen & sugar  
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what two things do consumers give off as wastes that producers need?   carbon dioxide & water  
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give an example of a consumer   animals  
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give an example of a producer   plants  
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Created by: Akimball1
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