( ( The ( distinguishing characteristics ) ) ( of ( ( ( nonvascular plants ) and ) ( their ( life cycles ) ) ) ) )
(ROOT (NP (NP (DT The) (JJ distinguishing) (NNS characteristics)) (PP (IN of) (NP (NP (NN nonvascular) (NNS plants)) (CC and) (NP (PRP$ their) (NN life) (NNS cycles))))))
The distinguishing characteristics of nonvascular plants and their life cycles
(ROOT (S (NP (NNP Nonvascular) (NNS plants)) (VP (VBP are) (NP (NP (DT the) (JJ only) (NNS plants)) (PP (IN with) (NP (DT a) (NN life) (NN cycle))) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (DT the) (JJ gametophyte) (NN generation)) (VP (VBZ is) (ADJP (JJ dominant))))))) (. .)))