| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| levels of organization organ system | 1.36 | 0.6 | 1799 | 93 | 35 |
| levels | 1.26 | 1 | 5087 | 89 | 6 |
| of | 0.62 | 0.7 | 2563 | 11 | 2 |
| organization | 1.01 | 0.9 | 5281 | 60 | 12 |
| organ | 1.16 | 0.3 | 4374 | 34 | 5 |
| system | 1.13 | 0.4 | 4019 | 64 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| levels of organization organ system | 1.58 | 0.5 | 6963 | 90 |
