| Answer | Crossword Clue |
|---|---|
| ALGA | Unwanted organism in an aquarium |
| ALGA | Unwanted aquarium organism |
| KINESIS | Activity of an organism in response to light, e.g. |
| BLACKLISTED | Put in an unwanted category. |
| TANKTOPIC | Clean water, in an aquarium? |
| HANSARP | "Birds in an Aquarium" sculptor |
| ARP | "Birds in an Aquarium" sculptor |
| ARP | "Birds in an Aquarium" artist |
| ARPS | MoMA's "Two Heads" and "Birds in an Aquarium" |
