why do cactus have spines instead of leaves

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why do cactus have spines instead of leaves	0.72	0.5	8961	44	43
why	0.19	0.2	700	76	3
do	0.25	1	7413	47	2
cactus	1.13	0.6	1416	63	6
have	1.64	0.8	2325	71	4
spines	1.29	0.8	6987	31	6
instead	0.74	0.5	1131	93	7
of	1.31	0.7	8259	98	2
leaves	1.52	1	4889	11	6

Keyword	CPC	PCC	Volume	Score
why do cactus have spines instead of leaves	0.79	0.6	4618	31
are cactus spines leaves	0.53	0.7	7461	70
why do cactus have spines	1.79	0.2	3361	35
why do cactus have leaves	0.1	0.5	9326	3
why don't cactus have leaves	1.54	0.7	8264	89
spines on a cactus	1.93	0.4	4275	50
how do spines help a cactus survive	0.59	0.5	9293	60
why are some cactus spines so colourful	0.85	0.5	4735	37
do cactus spines grow back	0.49	0.7	8642	52
cactus with long spines	1.23	0.4	3959	39
difference in cactus leaves	0.39	0.5	9531	98
leaves of a cactus	1.73	0.6	4388	94
cactus with soft spines	0.86	1	3040	13
what are cactus leaves adapted for	0.81	0.9	1276	66
cactus with long soft spines	1.15	0.9	2843	59
cactus spine in leg	1.48	0.5	3425	19
do cactus have spines	0.5	0.3	5065	29
cactus spines are a kind of what	1.54	0.3	6504	10
what are cactus spines called	1.79	0.5	9544	96
does a cactus have leaves	0.6	0.3	6530	1
cactus with long leaves	1.23	0.6	8964	43
do cactus have thorns or spines	0.28	0.5	6394	34
cactus plants with leaves	0.77	0.4	6640	12