Name______________________________________

Period _______________

Date________________

1. Everything is made of atoms, including organisms. Write the sequence of increasing

organization from atoms to multi-cellular organisms.

a. _____________________d. ______________________ g._______________________

b. _____________________e. ______________________ h. ________________________

c. _____________________f. _______________________ i. ________________________

2. Some kinds of organisms are simple; others are complex. Put the major groupings of

organisms in order from simplest to most complex.

a. _______________________   b. _______________________ c.__________________________

3. Cells are alive, but not all living cells are organisms. Explain.

4. What is the basic unit of life? Why do you think so?

5. What organelles are found in all cells?

6. What is the difference between a prokaryotic cell and a eukaryotic cell?

cells?

8. How are paramecia cells and sheep cells the same and how are they different?

9. Plants and animals have tissues. What is a tissue?

10. How do cells in animals such as mammals and other vertebrates get the

resources they need to survive?

11. Some say all life is aquatic. Explain what they mean.