( ( ( ( ( ( Spicules , ) ( amoeboid cells ) ) , ) and ) ( collar cells ) ) ( ( are ( characteristic ( of ( sea anemones ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Spicules)) (, ,) (NP (JJ amoeboid) (NNS cells)) (, ,) (CC and) (NP (NN collar) (NNS cells))) (VP (VBP are) (ADJP (JJ characteristic) (PP (IN of) (NP (NN sea) (NNS anemones))))) (. .)))
Spicules, amoeboid cells, and collar cells are characteristic of sea anemones.
(ROOT (S (NP (NP (DT The) (JJ sharp) (NNS projections)) (SBAR (IN that) (S (NP (JJ specialized) (NNS cells)) (VP (VBP grow))))) (VP (VBP are) (VP (VBN called) (NP (NNS spicules)))) (. .)))