| Similarity | Rank | |
|---|---|---|
| species | 0.843 | 1842 |
| habitat | 0.828 | 7100 |
| habitats | 0.815 | 13856 |
| predation | 0.795 | 44971 |
| amphibians | 0.785 | 38553 |
| invertebrate | 0.784 | 67675 |
| biota | 0.777 | 95999 |
| mammals | 0.769 | 14914 |
| organism's | 0.768 | 97530 |
| mammal | 0.768 | 31258 |
| vertebrate | 0.765 | 55855 |
| humans' | 0.763 | 96818 |
| amphibian | 0.763 | 57126 |
| biodiversity | 0.761 | 13376 |
| extinctions | 0.761 | 71406 |
| extinction | 0.761 | 15835 |
| arthropods | 0.760 | 87392 |
| vertebrates | 0.756 | 54504 |
| invertebrates | 0.754 | 40647 |
| speciation | 0.753 | 76081 |
| herbivores | 0.747 | 62421 |
| taxa | 0.739 | 52457 |
| migratory | 0.738 | 26999 |
| benthic | 0.738 | 81290 |
| ecosystems | 0.736 | 13909 |