| about will affect the ecosystem | 11 | transitive-object |
| with explanations | 5 | other |
| increasingly | 3 | degree |
| biologist → be → concerned | 25 |
| biologist → be → worried | 5 |
| negative | neutral | positive |
| 0.413 | 0.542 | 0.046 |
| Raw frequency | 30 |
| Normalized frequency | 0.937 |
| Modifier score | 0.633 |
| Perplexity | 52.725 |