( ( ( ( ( The presence ) ( of ( large predators ) ) ) and ) ( competition ( for food ) ) ) ( ( seem ( to ( ( ( prevent ( ( a ( rapid grow ) ) ( of ( mudminnow populations ) ) ) ) ( in ( open waters ) ) ) ( with ( ( a ( large variety ) ) ( of fish ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (DT The) (NN presence)) (PP (IN of) (NP (JJ large) (NNS predators)))) (CC and) (NP (NP (NN competition)) (PP (IN for) (NP (NN food))))) (VP (VBP seem) (S (VP (TO to) (VP (VB prevent) (NP (NP (DT a) (JJ rapid) (NN grow)) (PP (IN of) (NP (NN mudminnow) (NNS populations)))) (PP (IN in) (NP (JJ open) (NNS waters))) (PP (IN with) (NP (NP (DT a) (JJ large) (NN variety)) (PP (IN of) (NP (NN fish))))))))) (. .)))
The presence of large predators and competition for food seem to prevent a rapid grow of mudminnow populations in open waters with a large variety of fish.
(ROOT (S (SBAR (IN As) (S (NP (DT the) (NN population)) (VP (VBZ grows)))) (, ,) (NP (NP (NN competition)) (PP (IN for) (NP (NN food)))) (VP (VBZ grows)) (. .)))