| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| natural selection of charles darwin | 1.09 | 0.8 | 2872 | 25 |
| charles darwin theory of natural selection | 0.65 | 0.2 | 4416 | 40 |
| charles darwin's theory of natural selection | 1.47 | 0.6 | 8212 | 6 |
| charles darwin and natural selection | 1.22 | 0.5 | 1833 | 39 |
| did charles darwin discover natural selection | 0.09 | 0.8 | 6587 | 43 |
| charles darwin natural selection book | 1.83 | 0.9 | 3084 | 78 |
| charles darwin natural selection theory date | 1.55 | 0.3 | 4480 | 82 |
