click below
click below
Normal Size Small Size show me how
The cell system
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 a stimulus |
Spontaneous generation | The mistake ideal that living 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 instrument that makes small objects look large |
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 in the hand |
Magnification | to reproduce its kind,as in organism; bear offspring |
Energy | the ability to do work or cause change |
Waste | anything left over or not of use |