1. What is the meaning of "life"?
3. How does science explain the natural world?
4. How does biology explain the living world?
6. How are the life sciences structured?
7. "What" questions: the study of biodiversity.
8. "How" questions: the making of a new individual.
9. "Why" questions: the evolution of organisms.
10. What questions does ecology ask?
11. Where do humans fit into evolution?
12. Can evolution account for ethics?