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Chapter 1 Lesson 1
What is life?
Term | Definition |
---|---|
Cell | The basic unit of structure and function in living things |
Organism | A living thing |
Unicellular | Single celled organism |
Multicellular | Organism composed of many cells |
Metabolism | The combination of chemical reactions through which an organism builds up or breaks down materials |
Stimulus | Any change or signal in the environment that can make an organism react in some way |