1. What are some of the characteristics shared by all living organisms?
2. Why is energy so important to living organisms?
3. What is metabolism and what is its purpose?
4. How is life perpetuated from one generation to the other?
5. How does sexual reproduction help species adapt to a changing environment?
6. What are the principal steps in the scientific method?
7. What is a hypothesis, and what is its importance to the scientific investigation?
8. How would a scientific investigator define the concept of "truth"?
9. How does the fossil record help us understand our natural world today?
10. How do Darwin's concepts of evolution and natural selection help explain the diversity of life on Earth today?