Terms : Hide Images
| 5114408603 | Littoral Zone | The shallow zone of soil and water in lakes and ponds where the most algae and emergent plants grow. | 0 | |
| 5114411973 | Limnetic Zone | A zone of open water in lakes and ponds. | 1 | |
| 5114414138 | Phytoplankton | Floating algae. | 2 | |
| 5114415485 | Profundal Zone | A region of water where sunlight does not reach, below the limnetic zone in very deep lakes. | 3 | |
| 5114416922 | Benthic Zone | The muddy bottom of a lake, pond, or ocean. | 4 | |
| 5114421919 | Oligotrophic | Describes a lake with a low level of productivity. | 5 | |
| 5114421920 | Mesotrophic | Describes a lake with a moderate level of productivity. | 6 | |
| 5114424821 | Eutrophic | Describes a lake with a high level of productivity. | 7 | |
| 5114426672 | Freshwater Wetlands | An aquatic biome that is submerged or saturated by water for at least part of each year, but shallow enough to support emergent vegetation. | 8 | |
| 5114478110 | Salt Marsh | A marsh containing nonwoody emergent vegetation, found along the coast in temperate climates. | 9 | |
| 5114481055 | Mangrove Swamp | A swamp that occurs along tropical and subtropical coasts, contains salt-tolerant trees with roots submerged in water. | 10 | |
| 5114483729 | Intertidal Zone | The narrow band of coastline between levels of high tide and low tide. | 11 | |
| 5114483730 | Coral Reef | The most diverse marine biome on Earth, found in warm, shallow waters beyond the shoreline. | 12 | |
| 5114485958 | Coral Bleaching | A phenomenon in which algae inside corals die, causing the corals to turn white. | 13 | |
| 5114487517 | Open Ocean | Deep ocean water, located away from the shoreline where the sunlight can no longer reach the ocean bottom. | 14 | |
| 5114529388 | Photic Zone | The upper layer of ocean water in the ocean that receives enough sunlight for photosynthesis. | 15 | |
| 5114529389 | Aphotic Zone | The deeper layer of ocean water that lacks sufficient sunlight for photosynthesis. | 16 | |
| 5114532163 | Chemosynthesis | A process used by some bacteria in the ocean to generate energy with methane and hydrogen sulfide. | 17 |
