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cell system part 1
Term | Definition |
---|---|
organism | a living thing |
cell | a basic unit of structure and function in living things |
unicellular | made of a single cell |
multicellular | consisting of many cells |
stimulus | any change or signal in the environment that can make an organism react in some way |
respond | an action or change in behavior that occurs as a result of a stimulus . |
spontaneous generation | the mistaken idea that living things arise from nonliving sources |
homeostasis | the condition in witch an organism's internal environment is kept stable in spite of changes in the external environment |
characteristics | a feature that helps to identify something |
microscope | an instrument that makes small objects look big |
cell theory | a widely accepted explanation of the relationship between cells and living things |
growth | size or stage of development |
distinguish | to mange to recognize something you can barely see 2)to pint outa diffrencem |
growth | size or stage of development |
hand lens ' | a magnifying glass designed to be held in the hand |
magnification | to increase the apparent size of an object |
energy | the ability to do work or cause change |
waste | anything left over or not of use. |