( ( ( Cache sites ) ( selected ( by nutcrackers ) ) ) ( ( ( are often ) ( favorable ( for ( ( germination ( of ( ( seeds and ) survival ) ) ) ( of seedlings ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Cache) (NNS sites)) (VP (VBN selected) (PP (IN by) (NP (NNS nutcrackers))))) (VP (VBP are) (ADVP (RB often)) (ADJP (JJ favorable) (PP (IN for) (NP (NP (NN germination)) (PP (IN of) (NP (NNS seeds) (CC and) (NN survival))) (PP (IN of) (NP (NNS seedlings))))))) (. .)))
Cache sites selected by nutcrackers are often favorable for germination of seeds and survival of 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))))))))) (. .)))