| Answer | Crossword Clue |
|---|---|
| SERAL | Pertaining to ecological stages |
| SERAL | Pertaining to ecological communities |
| SERAL | Pertaining to ecological series |
| seral | pertaining to a series of ecological changes |
| ecotonal | pertaining to an ecotone (a type of ecological zone) |
| SERES | Ecological stages |
| SERAL | Of ecological stages |
| SERE | Ecological series of stages |
| SERE | Sequence of ecological stages |
| SERAL | Of the stages in an ecological succession |
