( Further ( , ( ( endothermy ( in ( early dinosaurs ) ) ) ( ( is ( by ( ( no means ) ( a ( proven fact ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Further)) (, ,) (NP (NP (NN endothermy)) (PP (IN in) (NP (JJ early) (NNS dinosaurs)))) (VP (VBZ is) (PP (IN by) (NP (NP (DT no) (NN means)) (NP (DT a) (JJ proven) (NN fact))))) (. .)))
Further, endothermy in early dinosaurs is by no means a proven fact.
(ROOT (S (NP (DT The) (NN term)) (ADVP (RB endothermy)) (VP (VBZ means) (S (VP (VBG controlling) (NP (NN body) (NN temperature)) (PP (IN within) (NP (NP (DT a) (JJ narrow) (NN range)) (PP (IN from) (NP (DT the) (NN inside))))) (PP (IN through) (NP (JJ biochemical) (CC or) (JJ physical) (NNS means)))))) (. .)))