The Wetlands

1. A ridge of land that separates two adjacent river systems.
5. Roots that continue to grow off of other roots to increase oxygen and water intake are called _____ roots.
9. Partially decayed organic matter.
10. Actual or potential resources supplied by nature. (2 words)
13. Tropical wetlands have landforms such as this.
14. Wetland dominated by woody plants.
16. Arctic wetlands have landforms such as this.
17. An uninhabitable wilderness that is worthless for cultivation.
18. Where are the Upper Nile swamps located?
19. A wetland comprised mostly of peat.
20. What are special air pockets inside of a plant's stem called?
24. Webbed feet is an animal adaptation that improves this.

2. Relating to the interdependence of living organisms.
3. Wetlands can be found in arctic, ____, and tropical climates.
4. This wetland resides in Canada. (2 words)
6. Triangular stemmed grass-like plant.
7. Marshes provide water to streams as well as replenish groundwater _____.
8. To produce plant life.
11. Wetland characterized by soft-stemmed plants.
12. The beginning of all life.
14. Water moves slowly through marshes, allowing ____ and other pollutants to settle to the floor of the marsh.
15. Animal adaptation such as camouflage.
21. Marsh vegetation uses excess ____ for growth.
22. A plant adaptation can include elongated stems and shallow ____.
23. Wetland characterized by both peat and acidic waters.