| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| natural selection by charles darwin | 0.3 | 0.2 | 1781 | 40 |
| natural selection by charles darwin's theory | 0.12 | 0.3 | 8950 | 67 |
| charles darwin theory of natural selection | 1.57 | 0.6 | 4225 | 31 |
| charles darwin and natural selection | 0.51 | 0.5 | 8229 | 46 |
| did charles darwin discover natural selection | 0.57 | 1 | 4652 | 96 |
| natural selection darwin theory | 0.77 | 0.8 | 1185 | 29 |
| darwin's concept of natural selection | 0.96 | 0.2 | 9235 | 67 |
| charles darwin natural selection definition | 0.48 | 0.8 | 6865 | 58 |
