( ( ( Asexual reproduction ) ( by ( binary fission ) ) ) . )
(ROOT (S (VP (VB Asexual) (NP (NN reproduction)) (PP (IN by) (NP (JJ binary) (NN fission)))) (. .)))
Asexual reproduction by binary fission.
(ROOT (S (NP (NP (NNP Reproduction)) (PP (IN in) (NP (JJ prokaryotic) (NNS cells)))) (VP (VBZ is) (PP (IN by) (NP (JJ binary) (NN fission) (, ,) (NN enlargement) (CC and) (NN division)))) (. .)))