1. What factors can be used to identify biodiversity hotspots?

2. Compare and contrast instrumental values versus intrinsic values of species and ecosystems.

3. In what ways can preserving biodiversity provide economic benefits?

4. What data are needed to determine if the current rate of extinction is similar to past mass extinctions?

5. Why should we be concerned with preserving both species diversity and genetic diversity?

6. What is the evidence that humans have historically contributed to extinctions through overharvesting?

7. In what ways might introduced species contribute to the extinction of native species?

8. Why do we need to consider the process of biomagnification when assessing the risk of a pesticide to wildlife?

9. What effects of global climate change are already being observed?

10. Explain the ecological, economic, and social challenges that can arise when considering a species reintroduction.