Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
which makes a good index fossil | 0.49 | 0.6 | 6349 | 7 |
what makes a good index fossil | 1.08 | 0.7 | 290 | 29 |
which makes a species a good index fossil | 1.37 | 0.2 | 9043 | 80 |
what makes a good index guide fossil | 1.53 | 0.6 | 7634 | 42 |
what characteristic makes a good index fossil | 0.24 | 0.2 | 8727 | 97 |
what makes a fossil a good index fossil | 1.34 | 0.8 | 2108 | 37 |
what makes an organism a good index fossil | 1.93 | 0.8 | 7557 | 10 |