| Answer | Crossword Clue |
|---|---|
| SPECIES | Study by Darwin. |
| FINCH | Bird studied by Darwin |
| GALAPAGOS | Islands visited by Darwin |
| ATOLL | Word first defined by Darwin |
| BEAGLE | Brig used by Charles Darwin. |
| SCIENTOLOGY | Study of "Dianetics" by L. Ron Hubbard |
| APE | Subject of study by anthropologist R. M. Yerkes. |
