| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| biology online textbook | 0.07 | 0.6 | 4566 | 22 | 23 |
| biology | 1.89 | 0.3 | 9340 | 88 | 7 |
| online | 1.33 | 0.4 | 6990 | 70 | 6 |
| textbook | 1.33 | 0.5 | 5097 | 71 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| biology online textbook | 1.88 | 0.5 | 8642 | 46 |
| biology online book | 1.23 | 0.9 | 8383 | 95 |
| free online marine biology textbook | 1.44 | 0.7 | 1897 | 56 |
| ap biology textbook online free | 1.73 | 0.1 | 4952 | 53 |
| cell biology textbook online | 1.89 | 0.9 | 5734 | 20 |
| biology a level textbook online | 1.53 | 0.3 | 3723 | 26 |
| biology by miller and levine online textbook | 0.12 | 0.7 | 880 | 74 |
| ocr a level biology textbook online free | 0.48 | 0.9 | 6633 | 56 |
