| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the history of biology | 1.27 | 0.1 | 900 | 4 | 22 |
| the | 1.28 | 0.5 | 6812 | 56 | 3 |
| history | 1.39 | 0.2 | 5643 | 7 | 7 |
| of | 1.06 | 0.2 | 4979 | 6 | 2 |
| biology | 1.62 | 0.3 | 6692 | 29 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the history of biology | 1.92 | 1 | 124 | 56 |
