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Exploring 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   a living thing that is made of one or more cells; uses energy; moves; reproduces; responds to its environment; adapts;has a life span  
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cell   the smallest unit of an organism that can perform life functions  
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stimulus   anything an organism RESPONDS to (such as sound; light; heat)  
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response   the REACTION of an organism to a stimulus (Ex. plants moves towards light)  
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adaptation   any characteristic of an organism that makes it better able to SURVIVE in its environment  
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homeostasis   the REGULATION of steady, life-maintaining conditions inside an organism or cell, despite changes in the environment  
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development   ALL the changes undergone by living things as they grow  
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life span   the length of time an organism is expected to live  
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spontaneous generation   the theory that NONLIVING things produce living things (Ex. frogs arise spontaneously from mud)  
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biogenesis   the theory that LIVING things come only from other LIVING things  
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scientific methods   problem-solving procedures used by scientists [state the problem; gather information; form a hypothesis; perform an experiment; analyze data; and draw conclusions  
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hypothesis   a prediction that can be tested  
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variable   the factor being TESTED in an experiment  
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control   the STANDARD for comparison in an experiment  
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theory   an EXPLANATION of things or events in nature, based on many observations (subject to change when evidence changes)  
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law   a RULE that describes a PATTERN IN NATURE and how it works under certain conditions  
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SI Units   International System of measurement used by scientists around the world (km; cm; mm) --> can compare results  
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Created by: amwilliams
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