( ( This bacterium ) ( ( has ( evolved ( to ( ( grow ( in ( hot springs ) ) ) ( at ( temperatures ( which ( kill ( most ( other species ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This) (NN bacterium)) (VP (VBZ has) (VP (VBN evolved) (S (VP (TO to) (VP (VB grow) (PP (IN in) (NP (JJ hot) (NNS springs))) (PP (IN at) (NP (NP (NNS temperatures)) (SBAR (WHNP (WDT which)) (S (VP (VBP kill) (NP (RBS most) (JJ other) (NNS species)))))))))))) (. .)))
This bacterium has evolved to grow in hot springs at temperatures which kill most other species.
(ROOT (S (NP (NNS Bacteria)) (VP (VBP are) (NP (NP (DT the) (RBS most) (JJ numerous) (NNS species)) (PP (IN on) (NP (DT the) (NN planet))))) (. .)))