Across
- 3. the ability to endure change
- 5. line a line drawn to indicate ground elevation
- 6. half an amount or value
- 8. open water away from the shoreline
- 10. colorless, odorless, essential for life
- 13. animals without a backbone
- 14. gauges acidity in water
Down
- 1. how steep a line is
- 2. returning something to its former state
- 4. refers to the shore of a lake
- 5. a tool used to measure height of trees
- 7. plant life
- 9. natural home/environment for an animal
- 11. describes the bottom of a body of water
- 12. quick to respond to change