| Answer | Crossword Clue |
|---|---|
| ecology | an environmental science |
| bionomy | ecology (an environmental science) |
| eco | ecology (an environmental science) |
| ecologies | ECOLOGY, an environmental science |
| oecology | ecology (an environmental science) |
| oecologies | OECOLOGY, ecology (an environmental science) |
| bionomies | BIONOMY, ecology (an environmental science) |
| ecos | ECO, ecology (an environmental science) |
| ecologic | pertaining to ecology (an environmental science) |
