( ( ( ( ( Protists ( ( reproduce asexually ) ( by ( binary fission ) ) ) ) , ) and ) ( ( a ( few species ) ) ( are ( capable ( of ( sexual reproduction ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNS Protists)) (VP (VB reproduce) (ADVP (RB asexually)) (PP (IN by) (NP (JJ binary) (NN fission))))) (, ,) (CC and) (S (NP (DT a) (JJ few) (NN species)) (VP (VBP are) (ADJP (JJ capable) (PP (IN of) (NP (JJ sexual) (NN reproduction)))))) (. .)))
Protists reproduce asexually by binary fission, and a few species are capable of sexual reproduction.
(ROOT (S (NP (JJ Multiple) (NN fission)) (VP (VBZ is) (ADVP (RBR more) (RB often)) (VP (VBN observed) (PP (IN among) (NP (NNS protists))))) (. .)))