Ecologists:

1. Explain what an ecologist does.
   
2. Is there evidence of a parasite that is affecting frog development in this area?
   
3. Might there be many factors responsible for frog deformities? If so, describe them.
   
4. How dangerous is this situation to the residents of Henderson, MN?
   
5. If the source of frog deformities is never identified, how could you make this area safe if it isn't?