Keyword Analysis & Research: why do humans not have tails

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why do humans not have tails	1.48	0.8	5338	39	28
why	1.72	0.4	3272	88	3
do	1.85	0.7	5005	68	2
humans	0.4	0.9	6881	84	6
not	1.93	0.5	8479	43	3
have	0.09	1	1600	27	4
tails	0.13	0.6	3470	17	5

Keyword	CPC	PCC	Volume	Score
why do humans not have tails	0.12	0.8	5355	73