( ( ( Exposure ( to different ) ) ( Cenozoic environments ) ) ( ( resulted ( in ( ( ( ( ( varying selection ) ( for ( certain ( adaptive characters ) ) ) ) , ) thus ) ( ( the development ) ( of ( ( different species ) ( of Bison ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (ADJP (JJ Exposure) (TO to) (JJ different)) (NNP Cenozoic) (NNS environments)) (VP (VBD resulted) (PP (IN in) (NP (NP (NP (VBG varying) (NN selection)) (PP (IN for) (NP (JJ certain) (NN adaptive) (NNS characters)))) (, ,) (ADVP (RB thus)) (NP (NP (DT the) (NN development)) (PP (IN of) (NP (NP (JJ different) (NNS species)) (PP (IN of) (NP (NNP Bison))))))))) (. .)))
Exposure to different Cenozoic environments resulted in varying selection for certain adaptive characters, thus the development of different species of Bison .
(ROOT (S (NP (NNP Character) (NNP displacement)) (VP (VBZ is) (NP (NP (DT the) (NN concept)) (PP (IN by) (SBAR (WHNP (WHNP (WDT which) (CD two) (NNS species)) (PP (IN within) (NP (DT the) (JJ same) (NN area)))) (S (VP (TO to) (VP (VB coexist) (PP (IN by) (S (VP (VBG adapting) (PP (IN by) (S (VP (VBG developing) (NP (JJ different) (NNS specializations))))))))))))))) (. .)))