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cell sytstem part 1
Term | Definition |
---|---|
organism | a living thing |
cell | the 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 |
response | an action or change in behavior that occurs as a result of the stimulus |
spontaneous generation | the mistaken idea that living thing arise from nonliving sources |
homeostasis | the condition in which 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 object that makes small thing look big |
cell theory | a widely accepted explanation of the relationship between cells and living things |
Distinguish | 1) to manage to recognize something you can barely see 2) to point out a difference |
Growth | size or stage of development |
hand lens | a magnifying glass designed to be held by hand |
magnification | to increase the apparent size of an object |
reproduce | to reproduce its kind, as in an organism; bear offspring |
energy | the ability to do work or cause change |
waste | anything left over of not of use |