( ( ( ( ( ( Asexual methods ) ( -LRB- ( ( ( produce ( new individual ) ) ( without ( involving ( sperm ( , ( ( egg and ) fertilization ) ) ) ) ) ) -RRB- ) ) ) , ) ( work well ) ) , ) ( ( are ( ( ( simpler , ) and ) ( less risky ) ) ) . ) )
(ROOT (S (NP (NP (NP (JJ Asexual) (NNS methods)) (PRN (-LRB- -LRB-) (S (VP (VB produce) (NP (JJ new) (NN individual)) (PP (IN without) (S (VP (VBG involving) (NP (NN sperm) (, ,) (NN egg) (CC and) (NN fertilization))))))) (-RRB- -RRB-))) (, ,) (NP (NN work) (RB well)) (, ,)) (VP (VBP are) (ADJP (ADJP (JJR simpler)) (, ,) (CC and) (ADJP (RBR less) (JJ risky)))) (. .)))
Asexual methods (produce new individual without involving sperm, egg and fertilization), work well, are simpler, and less risky.
(ROOT (S (NP (JJ Asexual) (NN reproduction)) (VP (VBZ generates) (NP (JJ new) (NNS individuals)) (PP (IN without) (NP (NP (NN fusion)) (PP (IN of) (NP (DT an) (NN egg) (CC and) (NN sperm)))))) (. .)))