Cell Theory Review

3. Protection against enemies.
8. Concluded that all animals are made up of cells.
9. The first person to see and name cells.
10. Keeping conditions inside the organism within tolerable limits.
12. Producing offspring.
13. Chemical reactions inside the cell.
14. Smallest structural and functional unit of an organism.
15. Concluded that new cells could be produced only from the division of existing cells.
16. Primitive cells with no nucleus.

1. Discovered bacteria and developed the microscope lens to see greater maginification.
2. Perceiving changes and responding changes in the environment.
4. Increase in size.
5. Complex cells, contain a nucleus and membrane bound organelles.
6. Concluded that all plants are made of cells.
7. Obtaining food to provide energy for growth.
11. 1. All living things are made of cells. 2. Cells are the basic unit of life. 3. All cells come from pre-existing cells.