| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sea's brain size and sociality | 0.98 | 0.6 | 6693 | 48 |
| sea's brain size and behavior | 0.78 | 0.5 | 6975 | 16 |
| sea's brain size and cognition | 0.84 | 1 | 1870 | 39 |
| sea's brain size and learning | 1.69 | 0.3 | 3096 | 57 |
| sea's brain size and memory | 0.13 | 0.7 | 9476 | 63 |
| sea's brain size and intelligence | 0.59 | 0.1 | 5665 | 20 |
| sea's brain size and emotions | 0.04 | 0.9 | 5750 | 5 |
| sea's brain size and communication | 1.25 | 0.9 | 6444 | 55 |
| sea's brain size and evolution | 1.17 | 0.5 | 33 | 46 |
| sea's brain size compared to humans | 0.87 | 0.9 | 9282 | 43 |
| dolphin brain size and sociality | 0.7 | 0.8 | 9757 | 74 |
| sea squirt brain size and learning | 0.27 | 0.4 | 8242 | 78 |
| sea squirts brain size and development | 1.22 | 0.6 | 8646 | 94 |
| brain size of sea squirts and behavior | 1.1 | 0.5 | 6171 | 10 |
| sea squirt brain size and behavior | 0.89 | 0.9 | 7507 | 23 |
| brain size of sea squirts and intelligence | 1.34 | 0.1 | 9323 | 41 |
| brain size of sea squirts and function | 0.49 | 0.6 | 4287 | 64 |
| brain size of sea stars | 1.86 | 0.8 | 2658 | 39 |
| sea star brain size | 0.78 | 1 | 8715 | 72 |
| brain size of sea mammals | 1.62 | 0.4 | 1506 | 36 |
