| as grazers | 8 | manner |
| in the food chain | 5 | location |
| very | 2 | degree |
| protozoan → be → important | 5 |
| protozoan → play → important role | 3 |
| protozoan → play → key role | 3 |
| negative | neutral | positive |
| 0.083 | 0.548 | 0.369 |
| Raw frequency | 11 |
| Normalized frequency | 0.776 |
| Modifier score | 0.500 |
| Perplexity | 75.050 |