Across
- 3. is considered the powerhouse of the cell
- 5. a system of ideas that explains many related observation
- 11. how cells were found
- 12. one of the structures in plant and animal
- 13. cells without a nucleus
- 14. a organism that protects the animal cell
- 16. the arrangementof parts in an organism
Down
- 1. a molecules that is present in all living cells
- 2. cells without a defined nucleus
- 4. structures in the cell to keep the cell living
- 6. the special, normal or proper activity of an organ or part
- 7. in plant and animal cells where photosyntheisis occurs
- 8. stores food,water, and waste
- 9. gel-like liquid inside a cell
- 10. the bilding blocks of life
- 12. they keep toxic substances out of the cell
- 15. stores the DNA