1. One or more cells- The organism has to be made up of one cell or many cells.2. Organization- They have to have an orderly structure.3. Grows and develops- The organism has to gain mass or more cells and has to have natural changes over an organism's life.4. Reproduces- The organism has to be able to make offspring.5. Responds to stimuli- It has to respond to internal and external conditions.6. Requires energy- It needs to consume something.7. Maintains homeostasis- It has to maintain a certain temperature and has to maintain life.8. Evolves over time- Inherited characteristics developed in a species over time.

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