| Answer | Crossword Clue |
|---|---|
| HIPPOPOTAMUSES | Closest living relatives of whales |
| HIPPO | Land animal whose closest living relatives include whales |
| HIPPO | Whale's closest living land relative |
| APES | Humans' closest relatives |
| cultigen | a cultivated or domestic organism (as the kidney bean Phaseolus vulgaris, the dog Canis familiaris, or corn Zea mays) which has diverged enough while in domestication or cultivation from its ancestors or closest wild relatives to be classified as a species, subspecies, or major variety |
