Across
- 2. protects the cell only in plant cells
- 5. controls what goes in and out of the cell
- 6. a system of ideas that explains many related observations
- 8. a fluid filled vessel that contains food water and waste
- 10. gives out energy to the cell
- 11. controls cell
- 12. structures within a cell
- 15. cells without a nucleus
- 16. filling in cells helps maintain shape
Down
- 1. describes all basic characteristics of all cells
- 2. structures in a nucleus
- 3. how something works
- 4. where photosynthesis occurs
- 7. the arrangement of parts in an organism
- 9. contains information that determines traits
- 13. the smallest functional and structural unit of a living thing
- 14. cell that has a nucleus
