( ( ( Asexual reproduction ) ( in echinoderms ) ) ( usually ( ( involves ( ( the division ) ( of ( ( ( ( ( the body ) ( into ( ( ( two or ) more ) parts ) ) ) ( -LRB- ( ( known ( as fission ) ) -RRB- ) ) ) and ) ( ( the reproduction ) ( of ( missing ( body parts ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NP (JJ Asexual) (NN reproduction)) (PP (IN in) (NP (NNS echinoderms)))) (ADVP (RB usually)) (VP (VBZ involves) (NP (NP (DT the) (NN division)) (PP (IN of) (NP (NP (NP (DT the) (NN body)) (PP (IN into) (NP (QP (CD two) (CC or) (JJR more)) (NNS parts)))) (PRN (-LRB- -LRB-) (VP (VBN known) (PP (IN as) (NP (NN fission)))) (-RRB- -RRB-)) (CC and) (NP (NP (DT the) (NN reproduction)) (PP (IN of) (NP (VBG missing) (NN body) (NNS parts)))))))) (. .)))
Asexual reproduction in echinoderms usually involves the division of the body into two or more parts (known as fission) and the reproduction of missing body parts.
(ROOT (S (NP (NNP Fission)) (VP (VBZ takes) (NP (NP (NN place)) (SBAR (WHADVP (WRB when)) (S (NP (DT an) (NN animal)) (ADVP (RB simply)) (VP (VBZ divides) (PP (IN into) (NP (CD two) (NNS parts)))))))) (. .)))