| Term | Definition |
| Hammock | Native American word: cool shady place |
| Spartina | Type of marsh plant |
| Hydric | Different physically and chemically from dry soils |
| Anaerobic | Little or no oxygen |
| Sulfur | Smells like rotten eggs |
| Hydrophytes | Plants that have special adoptions to allow them to live in areas often saturate by water |
| Estuaries | Mixed between saltwater and freshwater |
| Salinity | How much salt is in the water |
| Halophytes | Plant that lives highly salinity of salt |
| Organic | Matter that breaks down and produces oxygen |
| Salt pans | High salinity of salt that no plant or animal can survive in |
| Brackish | A mixe between salt and fresh water |
| Consumers | Organisms that use the food producers make or eat other consumers |
| Decomposers | Break down wastes and remains of other organisms |
| Substrate | A fancy word for soil |
| Open Wetlands | Flow of materials that go in and out of the system |