Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
what kind of birds did darwin study | 1.17 | 0.3 | 8526 | 57 |
what type of animals did darwin study | 1.91 | 0.6 | 5386 | 33 |
what animals did darwin study | 0.95 | 0.2 | 4239 | 56 |
what species did darwin study | 0.58 | 0.9 | 4537 | 83 |
what animals did charles darwin study | 1.1 | 1 | 1329 | 71 |
what species did charles darwin study | 1.04 | 0.1 | 1032 | 62 |
darwin studied actual birds | 0.31 | 0.8 | 720 | 39 |
what organisms did darwin study | 1.18 | 0.7 | 49 | 3 |
what bird did charles darwin find | 1.35 | 0.2 | 5969 | 11 |
darwin studied actual birds of the tropics | 0.9 | 0.9 | 6860 | 85 |
darwin studied actual birds and their origin | 0.65 | 0.4 | 8089 | 31 |
charles darwin bird study | 0.42 | 0.2 | 6849 | 5 |
darwin studied actual birds on the garden | 0.28 | 0.9 | 2603 | 79 |
darwin studied actual bird specimens | 0.9 | 0.6 | 4298 | 32 |
darwin studied actual bird ecology | 0.77 | 0.9 | 3068 | 23 |