| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| timeline of earth and life | 0.74 | 1 | 6340 | 78 |
| history of life on earth timeline | 0.3 | 1 | 4666 | 86 |
| timeline of life on earth | 0.02 | 0.8 | 7350 | 70 |
| evolution of life on earth timeline | 0.91 | 0.2 | 6800 | 14 |
| first life on earth timeline | 0.92 | 0.2 | 7534 | 78 |
| timeline of life on earth diagram | 1.9 | 0.8 | 4323 | 37 |
| history of life on earth | 1.68 | 0.9 | 2823 | 61 |
| human life on earth timeline | 1.05 | 0.2 | 9438 | 77 |
| timeline of history of life | 0.31 | 0.1 | 2545 | 17 |
| when did the life begin on earth | 1.09 | 0.3 | 472 | 36 |
| when did life on earth start | 0.97 | 0.4 | 5454 | 93 |
| when did life began on earth | 1.55 | 0.8 | 4412 | 22 |
