Cell Theory

2. chemical reactions inside the cell
4. smallest structural and functional unit of an organism
6. concluded that all animal tissues are composed of cells too
9. proposed that all cells result from the division of previously existing living cells
10. obtaining food to provide energy for growth
11. perceiving and responding to changes in the environment
12. contains cytoplasm and a nucleus enclosed in a membrane
13. developed the microscope lens to see greater magnification
15. observed bark of cork trees under a microscope
16. producing offspring (sexually or asexually)

1. keeping conditions inside the organism within tolerable limits (balanced)
2. all organisms are composed of cells, cells are the basic unit of life, all cells come from the division of previous existing cells
3. all organism are composed of cells and cells are the basic unit of life
5. concluded all plant tissues are composed of cells
7. increase in size
8. contains cytoplasm in a membrane no nucleus
14. protection against enemies