| Answer | Crossword Clue |
|---|---|
| clinal | pertaining to a cline (changes of form within a species) |
| clinally | CLINAL, pertaining to a cline (changes of form within a species) |
| clines | CLINE, changes of form within a species |
| cline | changes of form within a species |
| biotypic | pertaining to a biotype (a distinct sub-group within a species) |
