( ( ( The ( life cycle ) ) ( of ( a bryophyte ) ) ) ( ( involves ( ( the alternation ) ( of ( ( ( two ( multicellular generations ) ) , ) ( ( ( ( the gametophyte ) ( -LRB- ( ( haploid ( , ( gamete ( producing phase ) ) ) ) -RRB- ) ) ) and ) ( ( the sporophyte ) ( -LRB- ( ( diploid ( , ( spore ( producing phase ) ) ) ) -RRB- ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN life) (NN cycle)) (PP (IN of) (NP (DT a) (NN bryophyte)))) (VP (VBZ involves) (NP (NP (DT the) (NN alternation)) (PP (IN of) (NP (NP (CD two) (NN multicellular) (NNS generations)) (, ,) (NP (NP (NP (DT the) (NN gametophyte)) (PRN (-LRB- -LRB-) (NP (NN haploid) (, ,) (NN gamete) (NN producing) (NN phase)) (-RRB- -RRB-))) (CC and) (NP (NP (DT the) (NN sporophyte)) (PRN (-LRB- -LRB-) (NP (NN diploid) (, ,) (NN spore) (NN producing) (NN phase)) (-RRB- -RRB-)))))))) (. .)))
The life cycle of a bryophyte involves the alternation of two multicellular generations, the gametophyte (haploid, gamete producing phase) and the sporophyte (diploid, spore producing phase).
(ROOT (S (NP (NP (JJ Sexual) (NN reproduction)) (PP (IN with) (NP (NNS gametes) (CC and) (NN fertilization)))) (VP (VBZ produces) (NP (JJ diploid) (NN sporophyte))) (. .)))