| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| external morphology of earthworm | 1.16 | 0.8 | 806 | 83 | 32 |
| external | 1.44 | 1 | 6851 | 25 | 8 |
| morphology | 0.53 | 0.8 | 4196 | 77 | 10 |
| of | 0.19 | 0.7 | 7067 | 34 | 2 |
| earthworm | 0.3 | 0.5 | 9728 | 27 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| external morphology of earthworm | 0.44 | 0.1 | 793 | 41 |
