| Rating | Solver | Clue |
|---|---|---|
| AMOEBA | Small organism | |
| COCCOSPHERE | A small, rounded, marine organism, capable of braking up into coccoliths. | |
| BUD | A small protuberance on certain low forms of animals and vegetables which develops into a new organism, either free or attached. See Hydra. | |
| SPORE | A minute grain or germ; a small, round or ovoid body, formed in certain organisms, and by germination giving rise to a new organism; as, the reproductive spores of bacteria, etc. |