Knowledge Quiz

1. What does endangered mean?
   
   
2. What are two examples of endangered species? How did each of them become endangered?
   
   
3. What is the main reason most species become endangered?
   
   
4. What are two examples of species that became endangered because something in their ecosystem had become disturbed?
   
   
5. Name two ways that wildlife biologists are working to save endangered species.
   
   
6. What are two species that are success stories, brought back from the brink of extinction?
   
   
7. How can you help?