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Characteristics of Life/Life Functions

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Question
Answer
excretion   Removal of cellular wastes in an organism  
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Growth   Life process of an organism increasing in size or cell number  
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Cell   Smallest unit of structure and function in living things that show the CHARACTERISTICS of LIFE  
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Homeostasis   Stable internal environment of an organism  
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Evolution   Gradual changes of a species OVER TIME  
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Multicellular   Any organism having more than one cell  
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Organism   A living thing  
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Unicellular   A single-celled organism  
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Metabolism   The sum of all cell processes in an organism  
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Nutrition   Life process where an organism takes in food for metabolism  
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Regulation   The life function that helps control and coordinate homeostasis in an organism  
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Reproduction   The life process by which organisms generate others of the same kind. Although not needed for homeostasis within an organism, it is required for the continuation of a species  
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Respiration   Life process that uses glucose and oxygen to generate ATP in the mitochondria of cells  
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Synthesis   Life function where smaller substances are joined to make larger ones, to build or make  
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Transport   The life process that moves substances throughout an organism  
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