( ( This species ) ( ( grazes ( on ( coral ( polyps ( and ( sea ( anemone tentacles ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This) (NNS species)) (VP (VBZ grazes) (PP (IN on) (NP (NN coral) (NNS polyps) (CC and) (NN sea) (NN anemone) (NNS tentacles)))) (. .)))
This species grazes on coral polyps and sea anemone tentacles.
(ROOT (S (NP (NNS Hydras) (CC and) (NN sea) (NNS anemones)) (VP (VBP are) (NP (NP (NNS examples)) (PP (IN of) (NP (NN apolyp))))) (. .)))