( ( So far ) ( ( , ( ( scientists ( have ( identified ( ( ( 1.4 million ) species ) ( -LRB- ( ( ( a species ) ( is ( ( a kind ) ( of ( living ( thing ( , ( ( plant or ) animal ) ) ) ) ) ) ) ) -RRB- ) ) ) ) ) ) , ) ) ( ( including ( ( ( more ( than 750,000 ) ) species ) ( of insects ) ) ) ( , ( ( ( ( ( ( ( ( 248,800 species ) ( of ( ( flowers and ) trees ) ) ) , ) ( ( 18,800 species ) ( of fish ) ) ) , ) and ) ( ( 27,000 species ) ( of ( ocean plants ) ) ) ) ( ( called algae ) . ) ) ) ) ) )
(ROOT (S (ADVP (IN So) (RB far)) (PRN (, ,) (S (NP (NNS scientists)) (VP (VBP have) (VP (VBN identified) (NP (NP (QP (CD 1.4) (CD million)) (NNS species)) (PRN (-LRB- -LRB-) (S (NP (DT a) (NNS species)) (VP (VBZ is) (NP (NP (DT a) (NN kind)) (PP (IN of) (S (VP (VBG living) (NP (NN thing) (, ,) (NN plant) (CC or) (NN animal)))))))) (-RRB- -RRB-)))))) (, ,)) (PP (VBG including) (NP (NP (QP (JJR more) (IN than) (CD 750,000)) (NNS species)) (PP (IN of) (NP (NNS insects))))) (, ,) (NP (NP (NP (CD 248,800) (NNS species)) (PP (IN of) (NP (NNS flowers) (CC and) (NNS trees)))) (, ,) (NP (NP (CD 18,800) (NNS species)) (PP (IN of) (NP (NN fish)))) (, ,) (CC and) (NP (NP (CD 27,000) (NNS species)) (PP (IN of) (NP (NN ocean) (NNS plants))))) (VP (VBD called) (ADJP (JJ algae))) (. .)))
So far, scientists have identified 1.4 million species (a species is a kind of living  thing, plant or animal), including more than 750,000 species of insects, 248,800 species of flowers and trees, 18,800 species of fish, and 27,000 species of ocean plants called algae.
(ROOT (S (NP (RBS Most) (JJ red) (NN algae) (NNS species)) (VP (VBP live) (PP (IN in) (NP (NNS oceans)))) (. .)))