| A | B |
|---|
| Sandy Seashore | Contain the fewest organisms |
| Open Water Zone | Found away from the shore, tiny aquatic animals and larger fish liver here. |
| Deep Water Zone | Found below the Open Water Zone |
| Shallow Water Zone | sunlight can reach the lake at the bottom of this zone. |
| Lakes | Always surrounded by land, water always in motion |
| Ponds | Small still bodies of water |
| Vernal Pool | A naturally occuring TEMPORARY pool. |
| River | A large flowing body of fresh water. |
| MRS | Muddy, Rocky, Sandy Seashores |
| Surface Zone | Lies above the Deep water layer. |
| Polyps | Soft bodies of Corals |
| Channel of water separing barrier reef from the coastline | Lagoon |
| Barrier Reef | Follow the coastline |
| Fringing Reef | Extend from the coastline out to sea |
| Barrier Reef | This reef forms a hurdle, between the ocean and the shoreline |
| Atoll | rings of coral that formaround island far out in the ocean |
