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cell system 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 single 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 a stimulus. |
spontaneous generation | the mistaken idea that living things arise from nonliving sources |
homeostasis | the condition in which an organism's internal environment is kept stable in spite of changes in external environment . |
characteristics | a feature that helps to identify something |
microscope | an instrument that makes small objects look larger |
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 |
hands lens | a magnifying glass designed to be held in the 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 or not of use |