| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| define evolution and natural selection | 0.2 | 0.3 | 7877 | 69 |
| define evolution by natural selection | 1.13 | 0.3 | 8712 | 53 |
| define both natural selection and evolution | 0.16 | 0.4 | 4589 | 15 |
| evolution by natural selection | 1.83 | 0.3 | 4265 | 29 |
| is natural selection a form of evolution | 0.45 | 0.9 | 7325 | 81 |
| is natural selection considered evolution | 1.36 | 1 | 6042 | 90 |
| is natural selection a type of evolution | 1.41 | 0.4 | 5024 | 1 |
| natural selection is the result of evolution | 1.98 | 0.5 | 9822 | 65 |
