| Answer | Crossword Clue |
|---|---|
| DARWIN | Natural selection theorist |
| DARWIN | "Natural selection" theorist |
| MUTANT | Natural selection experiment |
| DARWINIST | Natural selection adherent |
| EVOLVE | Undergo natural selection |
| DARWIN | Natural-selection theoretician |
| GENEPOOL | Natural selection affects it |
| GENEPOOLS | Groupings affected by natural selection |
| GENEPOOL | Collection affected by natural selection |
