Across
- 2. Cells not surrounded by a lining
- 5. Example of responding to internal stimuli
- 9. All cells have ____________ material in them
- 11. examples are plants and animals
- 12. __________ microscopes use light and lenses
- 13. all organisms are classified into three ______
- 16. Cells that are surrounded by a lining
- 18. Created the first microscope
Down
- 1. Number of characterestics of life
- 3. Proces by which an organism creates another
- 4. Bacteria is an example of this type of orgamism
- 5. Ability to maintain internal conditions
- 6. How organisms are put together
- 7. The cell theory states that all _______ come from other cells
- 8. Example of unicellular organism
- 10. The smallest unit of life
- 14. Results and observations of three scientists
- 15. Changes that occur during a lifetime
- 17. Structures found in Eukaryotic cells