( ( Those seeds ) ( ( ( germinated and ) ( produced seedlings ) ) . ) )
(ROOT (S (NP (DT Those) (NNS seeds)) (VP (VP (VBD germinated)) (CC and) (VP (VBD produced) (NP (NNS seedlings)))) (. .)))
Those seeds germinated and produced seedlings.
(ROOT (S (NP (NN Seed)) (ADVP (RB dormancy)) (VP (VBZ ensures) (SBAR (IN that) (S (NP (NNS seeds)) (VP (VBP germinate) (ADVP (RB only)) (SBAR (WHADVP (WRB when)) (S (NP (NP (NNS conditions)) (PP (IN for) (NP (JJ seedling) (NN survival)))) (VP (VBP are) (ADJP (JJ optimal))))))))) (. .)))