| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pollen tube attraction by the synergid cell | 1.46 | 0.5 | 4319 | 33 | 43 |
| pollen | 1.53 | 0.2 | 4926 | 85 | 6 |
| tube | 1.13 | 0.9 | 7011 | 5 | 4 |
| attraction | 1.72 | 0.4 | 7792 | 59 | 10 |
| by | 0.06 | 0.5 | 8795 | 58 | 2 |
| the | 1.96 | 0.3 | 5803 | 65 | 3 |
| synergid | 1.39 | 0.8 | 8158 | 36 | 8 |
| cell | 1.32 | 0.2 | 7226 | 79 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pollen tube attraction by the synergid cell | 1.9 | 0.4 | 3176 | 2 |
| pollen and pollen tube biology | 1.42 | 0.1 | 7414 | 7 |
| tube cell in pollen grain | 1.25 | 0.9 | 808 | 84 |
| pollen travels through this tube | 0.08 | 0.6 | 2916 | 89 |
