Cells

3. He concluded all cells come from cells.
6. The ability to clearly distinguish the individual parts of an object.
9. The basic units of structure and function in living things.
10. A microscope that uses only one lens.
11. A widely accepted explanation of the relationship between cells and living things.
13. What something is made of and how its parts are put together.
15. A Dutch businessman who looked at drops of lake water, scrapings from teeth and gums, and water from rain gutters under microscopes.
16. An English scientist and inventor that is credited with being one of the first people to observe cells.
17. One square centimeter of this contains more than 100,000 cells.
18. This type of microscope began as a tube with a lens on both ends.

1. He stated that all living things are made up of cells.
2. A word meaning "little animals" used to describe the moving organisms found in water.
4. He concluded that all plants are made of cells.
5. The ability to make things look larger.
7. An instrument that makes small objects look larger.
8. These bend light in a microscope magnifying objects.
11. One of the first materials viewed under the microscope it looked like tiny rectangular rooms.
12. This type of microscope uses a beam of these instead of light to magnify images.
14. Processes that enable an organism to stay alive and reproduce.