| 100% | BREEDS | 6 | Strains of specific plants or animals |
| 59% | HYBRIDS | 7 | Plants or animals, result of crossing breeds |
| 56% | FOSSIL | 6 | Remains of a plant or animal |
| 54% | HABITATS | 8 | Natural environments of plants or animals |
| 54% | SPECIES | 7 | Group of plants or animals |
| 53% | BIOMES | 6 | Communities of plant or animal species |
| 52% | SPECIES | 7 | Classifications of animals or plants |
| 50% | SPECIES | 7 | Particular group or class of animals or plants |
| 50% | PIGMENT | 7 | The natural color of animal or plant material |
| 48% | DISEASES | 8 | Disorders that affect plants or animals |
| 48% | TERRARIUM | 9 | Transparent enclosure for plants or animals |
| 48% | TISSUE | 6 | Plant or animal material |
| 45% | ZOOPHOBIA | 9 | An irrational fear of specific animals |
| 45% | NATURALHABITAT | 14 | Where a plant or animal thrives |
| 44% | UNORGANIC | 9 | Not derived from plants or animals: Var. |
| 43% | TOXINS | 6 | Poisons that are derived from plants or animals |
| 43% | HABITAT | 7 | A plant or animal's natural home or environment |
| 42% | TAXONOMY | 8 | System of classifying plants and animals |
| 40% | HABITAT | 7 | The natural home of an animal, plant or insect |
| 40% | ROOT | 4 | Part of a plant or tooth |
| 40% | FOLIAGE | 7 | Leaves of a plant or tree |
| 40% | BIOTAS | 6 | Animal and plant lives of regions |
| 40% | RUNT | 4 | Dwarfish animal or plant |
| 40% | ORGANISM | 8 | Living animal or plant |
| 39% | TAXA | 4 | Animal or plant group having natural relations |
| 39% | STEM | 4 | Part of a plant or a wineglass |
| 39% | IVY | 3 | Name of a plant or a league |
| 39% | ROOT | 4 | Part of a plant or a tooth |
| 39% | BIOTA | 5 | Plant and animal life of a region |
| 39% | ORGANISM | 8 | Any living animal or plant |