Mexico
Great Lakes
Rio Grande
Cascade Range
Neartic
Isthmus of Panama
Guatemala
Lake Erie
narrow curve of land that connects North and South America an endemic species inhabiting Sierra Gorda Central American country that runs parallel to the Cocos ocean plate You'll find nearly 20% of the world's fresh surface water here .stretches of it act as a natural border between the U.S. and Mexico. North America and Canada make up this ecoregion. location of Mount St. Helens one of only 17 countries recognized as mega-diverse this body of water is a natural border between the U.S. and Canada. an endangered species found in Sierra Gorda
Some of the terms associated with the given clues:
1. Mexico
2. Great Lakes
3. Rio Grande
4. Cascade Range
5. Neartic
6. Isthmus of Panama
7. Guatemala
8. Lake Erie
9. narrow land curve connecting North and South America (Isthmus of Panama)
10. endemic species in Sierra Gorda
11. Central American country parallel to Cocos ocean plate (Guatemala)
12. nearly 20% of world's fresh surface water (Great Lakes)
13. natural border between U.S. and Mexico (Rio Grande)
14. ecoregion of North America and Canada (Neartic)
15. location of Mount St. Helens (Cascade Range)
16. one of 17 recognized mega-diverse countries (Mexico)
17. natural border between U.S. and Canada (Great Lakes)
18. endangered species in Sierra Gorda (endemic species)