| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | shelf undersea | marine biology community | The shelf undersea is an important ecological feature, supporting a diverse range of marine life and serving as a nursery for many species. | 1 |
| 2 | shelf undersea | marine biology enthusiasts | Shelves under the sea are important habitats for a variety of marine organisms, providing shelter and food sources. | 1 |