| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| do apes mate for life | 1.99 | 1 | 2974 | 55 |
| can humans mate with apes | 0.36 | 0.3 | 2513 | 23 |
| can an ape mate with a human | 0.56 | 0.6 | 5521 | 55 |
| could a human and an ape mate | 1.45 | 0.4 | 4474 | 47 |
| how do apes mate | 0.66 | 0.3 | 7639 | 51 |
| do primates mate for life | 0.34 | 0.1 | 861 | 34 |
| do chimpanzees mate for life | 0.69 | 0.1 | 4752 | 1 |
| humans mating with apes | 1.15 | 0.4 | 8378 | 34 |
| apes mating up close | 1.87 | 0.4 | 2449 | 28 |
| which animal mate for life | 0.97 | 0.8 | 456 | 68 |
| which animal species mate for life | 1.26 | 0.8 | 2244 | 77 |
| can humans breed with apes | 1.87 | 0.7 | 1741 | 11 |
| how long to apes live | 0.96 | 0.6 | 4980 | 62 |
| relationship between apes and humans | 1.55 | 0.4 | 3593 | 27 |
| are apes friendly to humans | 1.66 | 0.5 | 4893 | 83 |
| can humans reproduce with apes | 0.39 | 0.7 | 7215 | 54 |
| most researchers agree that apes can | 1.56 | 0.3 | 9924 | 5 |
| could a human and an ape breed | 0.55 | 0.6 | 8910 | 87 |
