| Answer | Crossword Clue |
|---|---|
| ETS | Alien life forms, for short |
| CARBON | Base for life forms here |
| aquarium | a water filled museum for all forms of aquatic life |
| aquaria | AQUARIUM, a water filled museum for all forms of aquatic life |
| aquariums | AQUARIUM, a water filled museum for all forms of aquatic life |
| aquarial | pertaining to an aquarium (a water filled museum for all forms of aquatic life) |
