Across
- 1. Animal found only in Australian chaparral
- 4. Least useful sense inside a cave
- 5. Permanently frozen ground in the tundra
- 7. The point above which no trees will grow
Down
- 2. Cools the desert air
- 3. Receives less than 10 inches of rain per year
- 6. Receives 6-10 inches of snow per year
- 8. Most important animal to cave ecosystems
