| Answer | Crossword Clue |
|---|---|
| EPA | Ecol. watchdogs |
| EPA | Ecol. monitor |
| EPA | Ecol. monitors |
| EPA | Ecol. org. |
| EPA | Ecol. watchdog |
| EPA | Ecol. police |
| EPA | Ecol. agency |
| SCI | Biol. or ecol. |
| SCI | Ecol. or econ. |
| SCI | Ecol. or geol. |
| SCI | Econ. or ecol. |
| SCI | Ecol. or agric. |
| SCI | Ecol. is one |
| SCI | Ecol., e.g. |
| SCI | Ecol. or anat. |
| SCI | Ecol. or biol. |
| SCIS | Econ. and ecol. |
| SCI | Zool. or ecol. |
| EPA | Agency concerned with ecol. |
| LOTIC | Living in rapid currents: Ecol. |
