( ( Throughout ( the ( Mesozoic Era ) ) ) ( , ( ( ( ( angiosperms diversified ) ; ) ( ( in turn ) ( , ( ( ( mammals and ) ( other organisms ) ) ( radiated ( into ( ( a ( wide range ) ) ( of ( plant-consuming niches ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN Throughout) (NP (DT the) (JJ Mesozoic) (NN Era))) (, ,) (S (NP (NNS angiosperms)) (VP (VBN diversified))) (: ;) (S (PP (IN in) (NP (NN turn))) (, ,) (NP (NP (NNS mammals)) (CC and) (NP (JJ other) (NNS organisms))) (VP (VBD radiated) (PP (IN into) (NP (NP (DT a) (JJ wide) (NN range)) (PP (IN of) (NP (JJ plant-consuming) (NNS niches))))))) (. .)))
Throughout the Mesozoic Era, angiosperms diversified; in turn, mammals and other organisms radiated into a wide range of plant-consuming niches.
(ROOT (S (NP (NNS Dinosaurs)) (VP (VBD filled) (NP (DT the) (NNS niches)) (SBAR (IN that) (S (NP (NNS mammals)) (VP (VBP fill) (NP (NN today)) (PP (IN during) (NP (DT the) (JJ mesozoic) (NN era))))))) (. .)))