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Characterstics of life

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Term
Definition
asexual reproduction   A reproductive process that involves only one parent and produces offspring that are genetically identical to the parent.  
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autotroph   An organism that is able to capture energy from sunlight or chemicals and use it to produce its own food.  
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cell   The basic unit of structure and function in living things.  
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controlled experiment   An experiment in which only one variable is manipulated at a time.  
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development   The process of change that occurs during an organism’s life to produce a more complex organism.  
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heterotroph   An organism that cannot make its own food and gets food by consuming other living things.  
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homeostasis   The condition in which an organism’s internal environment is kept stable in spite of changes in the external environment.  
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metabolism   The combination of chemical reactions through which an organism builds up or breaks down materials.  
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multicellular   Consisting of many cells.  
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organism   A living thing.  
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response   An action or change in behavior that occurs as a result of a stimulus.  
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sexual reproduction   A reproductive process that involves two parents that combine their genetic material to produce a new organism which differs from both parents.  
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spontaneous generation   The mistaken idea that living things arise from nonliving sources.  
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stimulus   Any change or signal in the environment that can make an organism react in some way.  
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unicellular   Made of a single cell.  
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Created by: racolonna
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