Across
- 5. contains life
- 7. important features
- 10. one cell
- 11. causes a reaction
Down
- 1. a change in behavior
- 2. many cells
- 3. stable internal conditions in organisms
- 4. to arise from nonliving sources
- 6. any living thing
- 8. more than one stimulus
- 9. the basic unit of life
