id sid tid token lemma pos vh53ws88j8x 1 1 speciation speciation NOUN vh53ws88j8x 1 2 is be AUX vh53ws88j8x 1 3 the the DET vh53ws88j8x 1 4 evolutionary evolutionary ADJ vh53ws88j8x 1 5 process process NOUN vh53ws88j8x 1 6 by by ADP vh53ws88j8x 1 7 which which PRON vh53ws88j8x 1 8 previously previously ADV vh53ws88j8x 1 9 interbreeding interbreed VERB vh53ws88j8x 1 10 populations population NOUN vh53ws88j8x 1 11 become become VERB vh53ws88j8x 1 12 separate separate ADJ vh53ws88j8x 1 13 species specie NOUN vh53ws88j8x 1 14 and and CCONJ vh53ws88j8x 1 15 is be AUX vh53ws88j8x 1 16 thus thus ADV vh53ws88j8x 1 17 responsible responsible ADJ vh53ws88j8x 1 18 for for ADP vh53ws88j8x 1 19 the the DET vh53ws88j8x 1 20 vast vast ADJ vh53ws88j8x 1 21 diversity diversity NOUN vh53ws88j8x 1 22 of of ADP vh53ws88j8x 1 23 taxa taxa NOUN vh53ws88j8x 1 24 on on ADP vh53ws88j8x 1 25 earth earth NOUN vh53ws88j8x 1 26 . . PUNCT vh53ws88j8x 2 1 investigating investigate VERB vh53ws88j8x 2 2 the the DET vh53ws88j8x 2 3 biogeographic biogeographic ADJ vh53ws88j8x 2 4 context context NOUN vh53ws88j8x 2 5 of of ADP vh53ws88j8x 2 6 speciation speciation NOUN vh53ws88j8x 2 7 is be AUX vh53ws88j8x 2 8 important important ADJ vh53ws88j8x 2 9 to to PART vh53ws88j8x 2 10 understand understand VERB vh53ws88j8x 2 11 how how SCONJ vh53ws88j8x 2 12 speciation speciation NOUN vh53ws88j8x 2 13 occurred occur VERB vh53ws88j8x 2 14 in in ADP vh53ws88j8x 2 15 the the DET vh53ws88j8x 2 16 past past NOUN vh53ws88j8x 2 17 and and CCONJ vh53ws88j8x 2 18 how how SCONJ vh53ws88j8x 2 19 species specie NOUN vh53ws88j8x 2 20 are be AUX vh53ws88j8x 2 21 maintained maintain VERB vh53ws88j8x 2 22 at at ADP vh53ws88j8x 2 23 present present NOUN vh53ws88j8x 2 24 . . PUNCT vh53ws88j8x 3 1 however however ADV vh53ws88j8x 3 2 , , PUNCT vh53ws88j8x 3 3 ongoing ongoing ADJ vh53ws88j8x 3 4 climate climate NOUN vh53ws88j8x 3 5 change change NOUN vh53ws88j8x 3 6 is be AUX vh53ws88j8x 3 7 presently presently ADV vh53ws88j8x 3 8 shifting shift VERB vh53ws88j8x 3 9 species species NOUN vh53ws88j8x 3 10 distributions distribution NOUN vh53ws88j8x 3 11 and and CCONJ vh53ws88j8x 3 12 changing change VERB vh53ws88j8x 3 13 interspecific interspecific ADJ vh53ws88j8x 3 14 interactions interaction NOUN vh53ws88j8x 3 15 , , PUNCT vh53ws88j8x 3 16 which which PRON vh53ws88j8x 3 17 may may AUX vh53ws88j8x 3 18 in in ADP vh53ws88j8x 3 19 turn turn NOUN vh53ws88j8x 3 20 influence influence VERB vh53ws88j8x 3 21 the the DET vh53ws88j8x 3 22 future future ADJ vh53ws88j8x 3 23 existence existence NOUN vh53ws88j8x 3 24 of of ADP vh53ws88j8x 3 25 species specie NOUN vh53ws88j8x 3 26 . . PUNCT vh53ws88j8x 4 1 in in ADP vh53ws88j8x 4 2 my my PRON vh53ws88j8x 4 3 dissertation dissertation NOUN vh53ws88j8x 4 4 , , PUNCT vh53ws88j8x 4 5 i i PRON vh53ws88j8x 4 6 investigated investigate VERB vh53ws88j8x 4 7 the the DET vh53ws88j8x 4 8 factors factor NOUN vh53ws88j8x 4 9 driving drive VERB vh53ws88j8x 4 10 speciation speciation NOUN vh53ws88j8x 4 11 in in ADP vh53ws88j8x 4 12 the the DET vh53ws88j8x 4 13 walnut walnut NOUN vh53ws88j8x 4 14 - - PUNCT vh53ws88j8x 4 15 infesting infest VERB vh53ws88j8x 4 16 rhagoletis rhagoletis PROPN vh53ws88j8x 4 17 suavis suavis PROPN vh53ws88j8x 4 18 species species PROPN vh53ws88j8x 4 19 group group PROPN vh53ws88j8x 4 20 to to PART vh53ws88j8x 4 21 understand understand VERB vh53ws88j8x 4 22 1 1 NUM vh53ws88j8x 4 23 ) ) PUNCT vh53ws88j8x 4 24 how how SCONJ vh53ws88j8x 4 25 and and CCONJ vh53ws88j8x 4 26 where where SCONJ vh53ws88j8x 4 27 species specie NOUN vh53ws88j8x 4 28 diverged diverge VERB vh53ws88j8x 4 29 in in ADP vh53ws88j8x 4 30 the the DET vh53ws88j8x 4 31 past past NOUN vh53ws88j8x 4 32 , , PUNCT vh53ws88j8x 4 33 2 2 X vh53ws88j8x 4 34 ) ) PUNCT vh53ws88j8x 4 35 how how SCONJ vh53ws88j8x 4 36 climate climate NOUN vh53ws88j8x 4 37 change change NOUN vh53ws88j8x 4 38 is be AUX vh53ws88j8x 4 39 affecting affect VERB vh53ws88j8x 4 40 present present ADJ vh53ws88j8x 4 41 species species NOUN vh53ws88j8x 4 42 distributions distribution NOUN vh53ws88j8x 4 43 and and CCONJ vh53ws88j8x 4 44 interactions interaction NOUN vh53ws88j8x 4 45 , , PUNCT vh53ws88j8x 4 46 and and CCONJ vh53ws88j8x 4 47 3 3 X vh53ws88j8x 4 48 ) ) PUNCT vh53ws88j8x 4 49 what what DET vh53ws88j8x 4 50 evolutionary evolutionary ADJ vh53ws88j8x 4 51 and and CCONJ vh53ws88j8x 4 52 ecological ecological ADJ vh53ws88j8x 4 53 mechanisms mechanism NOUN vh53ws88j8x 4 54 are be AUX vh53ws88j8x 4 55 involved involve VERB vh53ws88j8x 4 56 in in ADP vh53ws88j8x 4 57 reproductively reproductively ADV vh53ws88j8x 4 58 isolating isolate VERB vh53ws88j8x 4 59 species specie NOUN vh53ws88j8x 4 60 . . PUNCT vh53ws88j8x 5 1 first first ADV vh53ws88j8x 5 2 , , PUNCT vh53ws88j8x 5 3 i i PRON vh53ws88j8x 5 4 explored explore VERB vh53ws88j8x 5 5 how how SCONJ vh53ws88j8x 5 6 biogeography biogeography NOUN vh53ws88j8x 5 7 shaped shape VERB vh53ws88j8x 5 8 the the DET vh53ws88j8x 5 9 past past ADJ vh53ws88j8x 5 10 speciation speciation NOUN vh53ws88j8x 5 11 history history NOUN vh53ws88j8x 5 12 of of ADP vh53ws88j8x 5 13 walnut walnut NOUN vh53ws88j8x 5 14 flies fly NOUN vh53ws88j8x 5 15 through through ADP vh53ws88j8x 5 16 a a DET vh53ws88j8x 5 17 genetic genetic ADJ vh53ws88j8x 5 18 sequence sequence NOUN vh53ws88j8x 5 19 analysis analysis NOUN vh53ws88j8x 5 20 of of ADP vh53ws88j8x 5 21 mitochondrial mitochondrial ADJ vh53ws88j8x 5 22 dna dna PROPN vh53ws88j8x 5 23 ( ( PUNCT vh53ws88j8x 5 24 mtdna mtdna PROPN vh53ws88j8x 5 25 ) ) PUNCT vh53ws88j8x 5 26 . . PUNCT vh53ws88j8x 6 1 walnut walnut NOUN vh53ws88j8x 6 2 flies fly NOUN vh53ws88j8x 6 3 diverged diverge VERB vh53ws88j8x 6 4 across across ADP vh53ws88j8x 6 5 the the DET vh53ws88j8x 6 6 eastern eastern PROPN vh53ws88j8x 6 7 sierra sierra PROPN vh53ws88j8x 6 8 madre madre PROPN vh53ws88j8x 6 9 oriental oriental ADJ vh53ws88j8x 6 10 mountain mountain NOUN vh53ws88j8x 6 11 range range NOUN vh53ws88j8x 6 12 in in ADP vh53ws88j8x 6 13 mexico mexico PROPN vh53ws88j8x 6 14 , , PUNCT vh53ws88j8x 6 15 similar similar ADJ vh53ws88j8x 6 16 to to ADP vh53ws88j8x 6 17 other other ADJ vh53ws88j8x 6 18 rhagoletis rhagoletis NOUN vh53ws88j8x 6 19 species specie NOUN vh53ws88j8x 6 20 groups group NOUN vh53ws88j8x 6 21 . . PUNCT vh53ws88j8x 7 1 however however ADV vh53ws88j8x 7 2 , , PUNCT vh53ws88j8x 7 3 i i PRON vh53ws88j8x 7 4 show show VERB vh53ws88j8x 7 5 that that SCONJ vh53ws88j8x 7 6 the the DET vh53ws88j8x 7 7 timing timing NOUN vh53ws88j8x 7 8 of of ADP vh53ws88j8x 7 9 divergence divergence NOUN vh53ws88j8x 7 10 based base VERB vh53ws88j8x 7 11 on on ADP vh53ws88j8x 7 12 mtdna mtdna PROPN vh53ws88j8x 7 13 sequences sequence NOUN vh53ws88j8x 7 14 of of ADP vh53ws88j8x 7 15 walnut walnut NOUN vh53ws88j8x 7 16 - - PUNCT vh53ws88j8x 7 17 infesting infest VERB vh53ws88j8x 7 18 r. r. PROPN vh53ws88j8x 7 19 suavis suavis PROPN vh53ws88j8x 7 20 differs differ VERB vh53ws88j8x 7 21 substantially substantially ADV vh53ws88j8x 7 22 from from ADP vh53ws88j8x 7 23 the the DET vh53ws88j8x 7 24 other other ADJ vh53ws88j8x 7 25 species specie NOUN vh53ws88j8x 7 26 groups group NOUN vh53ws88j8x 7 27 . . PUNCT vh53ws88j8x 8 1 second second ADV vh53ws88j8x 8 2 , , PUNCT vh53ws88j8x 8 3 i i PRON vh53ws88j8x 8 4 modeled model VERB vh53ws88j8x 8 5 the the DET vh53ws88j8x 8 6 role role NOUN vh53ws88j8x 8 7 of of ADP vh53ws88j8x 8 8 climate climate NOUN vh53ws88j8x 8 9 change change NOUN vh53ws88j8x 8 10 in in ADP vh53ws88j8x 8 11 shifting shift VERB vh53ws88j8x 8 12 present present ADJ vh53ws88j8x 8 13 - - PUNCT vh53ws88j8x 8 14 day day NOUN vh53ws88j8x 8 15 species species NOUN vh53ws88j8x 8 16 distributions distribution NOUN vh53ws88j8x 8 17 , , PUNCT vh53ws88j8x 8 18 comparing compare VERB vh53ws88j8x 8 19 past past ADJ vh53ws88j8x 8 20 and and CCONJ vh53ws88j8x 8 21 present present ADJ vh53ws88j8x 8 22 distributions distribution NOUN vh53ws88j8x 8 23 and and CCONJ vh53ws88j8x 8 24 predicting predict VERB vh53ws88j8x 8 25 the the DET vh53ws88j8x 8 26 change change NOUN vh53ws88j8x 8 27 in in ADP vh53ws88j8x 8 28 distributions distribution NOUN vh53ws88j8x 8 29 with with ADP vh53ws88j8x 8 30 species species NOUN vh53ws88j8x 8 31 distribution distribution NOUN vh53ws88j8x 8 32 models model NOUN vh53ws88j8x 8 33 . . PUNCT vh53ws88j8x 9 1 walnut walnut NOUN vh53ws88j8x 9 2 fly fly NOUN vh53ws88j8x 9 3 species specie NOUN vh53ws88j8x 9 4 have have AUX vh53ws88j8x 9 5 moved move VERB vh53ws88j8x 9 6 predictably predictably ADV vh53ws88j8x 9 7 in in ADP vh53ws88j8x 9 8 the the DET vh53ws88j8x 9 9 united united PROPN vh53ws88j8x 9 10 states states PROPN vh53ws88j8x 9 11 over over ADP vh53ws88j8x 9 12 the the DET vh53ws88j8x 9 13 past past ADJ vh53ws88j8x 9 14 40 40 NUM vh53ws88j8x 9 15 years year NOUN vh53ws88j8x 9 16 , , PUNCT vh53ws88j8x 9 17 shifting shift VERB vh53ws88j8x 9 18 to to ADP vh53ws88j8x 9 19 higher high ADJ vh53ws88j8x 9 20 elevations elevation NOUN vh53ws88j8x 9 21 in in ADP vh53ws88j8x 9 22 the the DET vh53ws88j8x 9 23 southwest southwest PROPN vh53ws88j8x 9 24 united united PROPN vh53ws88j8x 9 25 states states PROPN vh53ws88j8x 9 26 likely likely ADV vh53ws88j8x 9 27 in in ADP vh53ws88j8x 9 28 response response NOUN vh53ws88j8x 9 29 to to ADP vh53ws88j8x 9 30 increasing increase VERB vh53ws88j8x 9 31 temperature temperature NOUN vh53ws88j8x 9 32 , , PUNCT vh53ws88j8x 9 33 and and CCONJ vh53ws88j8x 9 34 moving move VERB vh53ws88j8x 9 35 eastward eastward ADV vh53ws88j8x 9 36 in in ADP vh53ws88j8x 9 37 the the DET vh53ws88j8x 9 38 midwest midwest PROPN vh53ws88j8x 9 39 united united PROPN vh53ws88j8x 9 40 statesin statesin PROPN vh53ws88j8x 9 41 response response NOUN vh53ws88j8x 9 42 to to ADP vh53ws88j8x 9 43 decreasing decrease VERB vh53ws88j8x 9 44 precipitation precipitation NOUN vh53ws88j8x 9 45 . . PUNCT vh53ws88j8x 10 1 third third ADJ vh53ws88j8x 10 2 , , PUNCT vh53ws88j8x 10 3 i i PRON vh53ws88j8x 10 4 investigated investigate VERB vh53ws88j8x 10 5 ecological ecological ADJ vh53ws88j8x 10 6 and and CCONJ vh53ws88j8x 10 7 evolutionary evolutionary ADJ vh53ws88j8x 10 8 mechanisms mechanism NOUN vh53ws88j8x 10 9 of of ADP vh53ws88j8x 10 10 reproductive reproductive ADJ vh53ws88j8x 10 11 isolation isolation NOUN vh53ws88j8x 10 12 to to PART vh53ws88j8x 10 13 understand understand VERB vh53ws88j8x 10 14 barriers barrier NOUN vh53ws88j8x 10 15 to to ADP vh53ws88j8x 10 16 gene gene NOUN vh53ws88j8x 10 17 flow flow NOUN vh53ws88j8x 10 18 in in ADP vh53ws88j8x 10 19 areas area NOUN vh53ws88j8x 10 20 where where SCONJ vh53ws88j8x 10 21 species specie NOUN vh53ws88j8x 10 22 co co VERB vh53ws88j8x 10 23 - - VERB vh53ws88j8x 10 24 occur occur VERB vh53ws88j8x 10 25 . . PUNCT vh53ws88j8x 11 1 gene gene NOUN vh53ws88j8x 11 2 flow flow NOUN vh53ws88j8x 11 3 is be AUX vh53ws88j8x 11 4 restricted restrict VERB vh53ws88j8x 11 5 by by ADP vh53ws88j8x 11 6 temporal temporal ADJ vh53ws88j8x 11 7 , , PUNCT vh53ws88j8x 11 8 sexual sexual ADJ vh53ws88j8x 11 9 , , PUNCT vh53ws88j8x 11 10 and and CCONJ vh53ws88j8x 11 11 post post ADJ vh53ws88j8x 11 12 - - ADJ vh53ws88j8x 11 13 mating mating ADJ vh53ws88j8x 11 14 isolation isolation NOUN vh53ws88j8x 11 15 . . PUNCT vh53ws88j8x 12 1 in in ADP vh53ws88j8x 12 2 nature nature NOUN vh53ws88j8x 12 3 , , PUNCT vh53ws88j8x 12 4 hybridization hybridization NOUN vh53ws88j8x 12 5 was be AUX vh53ws88j8x 12 6 only only ADV vh53ws88j8x 12 7 found find VERB vh53ws88j8x 12 8 between between ADP vh53ws88j8x 12 9 r. r. PROPN vh53ws88j8x 12 10 juglandis juglandis PROPN vh53ws88j8x 12 11 and and CCONJ vh53ws88j8x 12 12 r. r. PROPN vh53ws88j8x 12 13 completa completa PROPN vh53ws88j8x 12 14 in in ADP vh53ws88j8x 12 15 the the DET vh53ws88j8x 12 16 southwest southwest PROPN vh53ws88j8x 12 17 united united PROPN vh53ws88j8x 12 18 states states PROPN vh53ws88j8x 12 19 . . PUNCT vh53ws88j8x 13 1 comparing compare VERB vh53ws88j8x 13 2 these these DET vh53ws88j8x 13 3 results result NOUN vh53ws88j8x 13 4 in in ADP vh53ws88j8x 13 5 the the DET vh53ws88j8x 13 6 r. r. PROPN vh53ws88j8x 13 7 suavis suavis PROPN vh53ws88j8x 13 8 species species PROPN vh53ws88j8x 13 9 group group PROPN vh53ws88j8x 13 10 to to ADP vh53ws88j8x 13 11 other other ADJ vh53ws88j8x 13 12 rhagoletis rhagoletis PROPN vh53ws88j8x 13 13 species specie NOUN vh53ws88j8x 13 14 groups group NOUN vh53ws88j8x 13 15 with with ADP vh53ws88j8x 13 16 different different ADJ vh53ws88j8x 13 17 modes mode NOUN vh53ws88j8x 13 18 of of ADP vh53ws88j8x 13 19 speciation speciation NOUN vh53ws88j8x 13 20 can can AUX vh53ws88j8x 13 21 help help VERB vh53ws88j8x 13 22 to to PART vh53ws88j8x 13 23 uncover uncover VERB vh53ws88j8x 13 24 patterns pattern NOUN vh53ws88j8x 13 25 in in ADP vh53ws88j8x 13 26 the the DET vh53ws88j8x 13 27 evolution evolution NOUN vh53ws88j8x 13 28 of of ADP vh53ws88j8x 13 29 reproductive reproductive ADJ vh53ws88j8x 13 30 isolation isolation NOUN vh53ws88j8x 13 31 . . PUNCT