Across
- 2. are over 300 species
- 5. poisoning:A disease.Sea lamprey:It can be
- 6. to kill most of the trout in the Great lakes
- 8. Lakes:World's largest fresh water
- 11. species:It's a species that harms
- 12. Mussel: a small fish water Mussel
- 13. new environment
- 15. country in North America
- 17. is the only lake that's only in
- 18. of the five Great lakes
Down
- 1. is the smallest Great lake
- 3. was the first Great lake to be
- 4. canals
- 7. America
- 9. river: a 85 mile long river in
- 10. is bordered by New York
- 14. by the French
- 16. massive set of three waterfalls