| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| invertebrates central nervous system | 1.06 | 0.5 | 8529 | 64 | 36 |
| invertebrates | 1.52 | 0.3 | 4625 | 29 | 13 |
| central | 1.79 | 0.1 | 5111 | 21 | 7 |
| nervous | 0.55 | 0.5 | 7228 | 55 | 7 |
| system | 1.68 | 0.5 | 5463 | 66 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| invertebrates central nervous system | 1.21 | 0.8 | 8802 | 4 |
| nervous system in invertebrates pdf | 1.34 | 0.8 | 4933 | 15 |
| do invertebrates have a nervous system | 1.28 | 0.3 | 485 | 22 |
| do invertebrates have a simple nervous system | 0.24 | 0.2 | 344 | 91 |
| the central nervous system of vertebrates | 0.09 | 0.9 | 9083 | 87 |
| nervous system of vertebrates | 1.46 | 0.5 | 3053 | 26 |
| brain and spinal cord in invertebrates | 1.78 | 0.4 | 5020 | 47 |
| vertebrate vs invertebrate nervous system | 0.14 | 0.4 | 3705 | 21 |
| nervous system of vertebrates pdf | 1.02 | 1 | 4229 | 43 |
| do invertebrates have a brain | 1.55 | 0.5 | 8630 | 24 |
| muscular system of invertebrates | 1.82 | 0.3 | 2221 | 56 |
| nervous system of vertebrates ppt | 1.23 | 0.5 | 8302 | 13 |
| what are the invertebrates | 0.01 | 0.1 | 6421 | 85 |
| circulatory system of invertebrates | 0.63 | 0.7 | 628 | 65 |
| science invertebrates and vertebrates | 1.04 | 0.8 | 9311 | 37 |
| a list of invertebrates | 0.2 | 0.8 | 8416 | 36 |
| invertebrates and vertebrates animals | 1.65 | 0.1 | 6281 | 42 |
| biology of the invertebrates | 1.9 | 0.8 | 9986 | 33 |
| vertebrates and invertebrates pdf | 0.89 | 0.9 | 776 | 52 |
