Here are the terms matched with their corresponding descriptions:
- Isthmus of Panama - narrow curve of land that connects North and South America
- Guatemala - Central American country that runs parallel to the Cocos ocean place
- Cascade Range - location of Mount St. Helens
- Mexico - one of only 17 countries recognized as mega-diverse
- Lake Erie - You'll find nearly 20% of the worlds fresh surface water here
- Rio Grande - stretches of it act as natural border between the U.S. and Mexico
- Neartic - North America and Canada make up this ecoregion
- Great Lakes - this body of water is a natural border between the U.S. and Canada
- endemic species inhabiting Sierra Gorda - an endangered species found in Sierra Gorda (This can also be an additional response if a specific species name was provided.)
If there are specific names of endemic or endangered species, please provide them for inclusion in the matching.