( endothermy ( means ... ) )
(ROOT (NP (JJ endothermy) (NNS means) (: ...)))
endothermy means...
(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)))))) (. .)))