( ( Although ( ( the cactus ) ( has ( no spines ) ) ) ) ( , ( it ( ( has ( ( ( some ( chemical ( ( compounds and ) clusters ) ) ) ( of ( short ( white wool ) ) ) ) ( that ( ( cover and ) ( protects it ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Although) (S (NP (DT the) (NN cactus)) (VP (VBZ has) (NP (DT no) (NNS spines))))) (, ,) (NP (PRP it)) (VP (VBZ has) (NP (NP (DT some) (JJ chemical) (NNS compounds) (CC and) (NNS clusters)) (PP (IN of) (NP (JJ short) (JJ white) (NN wool))) (SBAR (WHNP (WDT that)) (S (VP (VP (VBP cover)) (CC and) (VP (VBZ protects) (NP (PRP it)))))))) (. .)))
Although the cactus has no spines, it has some chemical compounds and clusters of short white wool that cover and protects it.
(ROOT (S (NP (NP (DT The) (NNS spines)) (PP (IN of) (NP (DT a) (NN cactus)))) (VP (VBP help) (SBAR (S (NP (PRP it)) (VP (VBP survive) (SBAR (IN because) (S (NP (NNS spines)) (VP (VB protect) (NP (DT the) (NN cactus)) (PP (IN from) (NP (NNS animals)))))))))) (. .)))