| Answer | Crossword Clue |
|---|---|
| AMOEBA | One that lives in a single cell? |
| PERIDOT | One of the few gemstones that naturally occur in a single color (olive green) |
| SIX | One of two single-digit Yankee uniform numbers that aren't retired |
| POPLARBEAR | Mammal that lives in a cottonwood? |
| ULYSSES | Novel that takes place on a single day in Dublin |
| SLOB | One who lives in a pigsty? |
| SPAIN | Where one lives in a casa. |
| SNAIL | One who lives in a shell |
| TREE | One "who intimately lives with rain," in a poem |
