| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| why natural selection occurs | 0.72 | 0.8 | 7262 | 38 | 28 |
| why | 1.34 | 0.6 | 2647 | 72 | 3 |
| natural | 0.17 | 0.5 | 845 | 32 | 7 |
| selection | 1.13 | 0.8 | 396 | 41 | 9 |
| occurs | 1.71 | 0.6 | 5615 | 20 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why natural selection occurs | 1.3 | 0.8 | 4354 | 14 |
| why does natural selection occur | 1.21 | 0.8 | 5823 | 61 |
| why is natural selection important | 0.43 | 0.8 | 92 | 91 |
| describe the causes of natural selection | 1.92 | 0.1 | 6236 | 16 |
| how does natural selection lead to evolution | 1.94 | 1 | 351 | 84 |
| natural selection leads to | 0.2 | 0.5 | 2557 | 8 |
| when does natural selection occur | 0.39 | 0.7 | 6930 | 90 |
| the causes of natural selection | 1.41 | 0.2 | 792 | 75 |
| natural selection explains how | 0.57 | 0.2 | 7542 | 36 |
| natural selection depends on | 1.84 | 0.5 | 8736 | 78 |
