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Living Things

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   living things  
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cell   basic unit of structure and function in an organism  
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unicellular   a single celled organism  
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multicellular   organisms composed of many cells  
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stimulus   a change in an organisms surrounding that causes the organism to react  
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response   an organism reacts to stimulus with a change in behavior  
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development   the process of change that occurs during an organisms life to produce more complex organisms  
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spontaneous generation   mistaken idea that living things that can arise from nonliving sources  
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controlled experiment   a scientist carries out two tests that are identical in every respect except for one factor  
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autotroph   organisms that make their own food  
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heterotroph   organisms that cannot make their own food  
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homeostasis   the ability to maintain stable internal conditions  
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nucleus   a dense area in the cell that contains nucleic acids. The brain of the cell  
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prokaryote   organisms whose cells lack a nucleus  
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eukaryote   organisms with cells that contain nuclei  
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Created by: jamimurray
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