| Answer | Crossword Clue |
|---|---|
| OCTOPI | Seafloor dwellers |
| WRECK | Seafloor sitter |
| TROUGHS | Seafloor features |
| BENTHIC | Of the seafloor |
| ALGA | Bit of seafloor flora |
| HULKS | Ships on the seafloor |
| PLATETECTONICS | Theory to explain seafloor spreading |
| seafloors | SEAFLOOR, the bottom of the sea |
| seabed | the seafloor (the bottom of the sea) |
| seabeds | SEABED, the seafloor (the bottom of the sea) |
