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What is Life?

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
Organism   An organism is a living thing.  
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Cell   the basic control center of the body  
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Unicellular   Organism that consists of only one cell.  
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Multicellular   Organism that consists of many cells.  
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Metabolism   combination of chemical reactions through which an organism builds up or breaks down material  
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Stimulus   change that causes organisms to react  
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Response   An action or change in behavior to a stimulus  
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Devolopment   the change that occurs during an organisms life, producing a more complex organism  
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Asexual Reproduction   involves only one parent and produces offspring that are identical to the parent  
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Sexual Reproduction   involves two parents and combines their genetic meterial to produce a new organism that differs from both parents  
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Spontaneous Generation   no parent/parents involved nor is a genetic field involved.  
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Controlled Expierement   an expierment controlled by something.  
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Autotroph   an organism that is able to form simple inoganic substances, such as carbon dioxide  
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Heterotroph   an organism deriving it's nutritional requirments from complex organic substances  
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Homostasis   the ability to or tendency to maintain internal stability in an organism to compensate for enviormental changes  
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