( ( ( ( Inoculative freezing ) and ) ( ( the problem ) ( of ( ( winter survival ) ( for freshwater ) ) ) ) ) ( macroinvertebrates . ) )
(ROOT (S (NP (NP (JJ Inoculative) (NN freezing)) (CC and) (NP (NP (DT the) (NN problem)) (PP (IN of) (NP (NP (NN winter) (NN survival)) (PP (IN for) (NP (NN freshwater))))))) (VP (VBZ macroinvertebrates)) (. .)))
Inoculative freezing and the problem of winter survival for freshwater macroinvertebrates.
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (NP (DT the) (NN earth) (POS 's)) (NN freshwater)))) (VP (VBZ is) (PP (IN in) (NP (NP (DT the) (NN form)) (PP (IN of) (ADJP (JJ frozen)))))) (. .)))