Cell Theory Review

4. Primitive cells with no nucleus.
7. Producing offspring.
8. The first person to see and name cells.
12. Chemical reactions inside the cell.
13. Concluded that all animals are made up of cells.
15. Discovered bacteria and developed the microscope lens to see greater maginification.
16. Concluded that all plants are made of cells.

1. Keeping conditions inside the organism within tolerable limits.
2. Complex cells, contain a nucleus and membrane bound organelles.
3. Protection against enemies.
5. 1. All living things are made of cells. 2. Cells are the basic unit of life. 3. All cells come from pre-existing cells.
6. Obtaining food to provide energy for growth.
9. Perceiving changes and responding changes in the environment.
10. Concluded that new cells could be produced only from the division of existing cells.
11. Increase in size.
14. Smallest structural and functional unit of an organism.