Across
- 2. laying down, or depositing eroded material
- 3. breaking down of rocks
- 6. treeless, wetland ecosystem in which plants and grasses grow
- 7. another name for the plateau ecoregion in Central Texas
- 9. plains that border Mexico
- 13. the lowest part of a playa (nearly level surface located in the lowest part of a desert basin)
- 14. mountainous area of land in which evergreens are the main kind of plant life
- 15. community of organisms and their nonliving environment
- 16. an area of land that has gentle slopes and small elevation differences
Down
- 1. plains found in the panhandle of Texas
- 3. an ecosystem in which trees are the main form of plant life
- 4. replacement of one type of community by another at a single location over a period of time (402)
- 5. movement of material
- 8. large, treeless area of land with deep, fertile soil
- 10. an ecosystem that covers a large area
- 11. large, flat area that is higher than the surrounding land
- 12. contains caves and spaces for flowing groundwater