| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| picture of guard cells function | 1.32 | 0.6 | 8637 | 62 |
| picture of guard cells | 0.8 | 0.8 | 4352 | 55 |
| function of the guard cells | 1.57 | 0.8 | 8222 | 1 |
| picture of guard cells structure | 1.44 | 0.4 | 6348 | 80 |
| role of the guard cells | 0.44 | 0.9 | 9248 | 14 |
| purpose of guard cells | 1.09 | 0.6 | 9612 | 91 |
| what do the guard cells do | 1.38 | 0.2 | 1972 | 64 |
| guard cell structure and function | 1.33 | 0.4 | 3416 | 12 |
| picture of guard cells diagram | 1.78 | 0.9 | 4045 | 19 |
| picture of guard cells labeled | 1.54 | 0.6 | 717 | 13 |
| picture of guard cells in plants | 1.04 | 0.7 | 2499 | 25 |
| picture of guard cells under microscope | 0.23 | 0.5 | 6352 | 83 |
| picture of guard cells opening and closing | 1.67 | 0.3 | 8276 | 26 |
| picture of guard cells in leaf | 1.47 | 0.2 | 5238 | 23 |
| picture of guard cells and stomata | 0.06 | 0.4 | 4157 | 18 |
| picture of guard cells in xerophytes | 1.92 | 0.5 | 1210 | 59 |
| picture of guard cells in hydrophytes | 0.61 | 0.7 | 5360 | 34 |
