( Ectothermic ( : ( ( ( Having ( the ( body temperature ) ) ) ( ( ( determined primarily ) ( by ( ( ( an ( animal 's ) ) behavior ) ( in response ) ) ) ) ( to ( temperature ( of ( the environment ) ) ) ) ) ) . ) ) )
(ROOT (FRAG (NP (NNP Ectothermic)) (: :) (S (VP (VBG Having) (NP (DT the) (NN body) (NN temperature)) (VP (VBN determined) (ADVP (RB primarily)) (PP (IN by) (NP (NP (NP (DT an) (NN animal) (POS 's)) (NN behavior)) (PP (IN in) (NP (NN response))))) (PP (TO to) (NP (NP (NN temperature)) (PP (IN of) (NP (DT the) (NN environment)))))))) (. .)))
Ectothermic : Having the body temperature determined primarily by an animal's behavior in response to temperature of the environment.
(ROOT (S (NP (JJ Ectothermic) (NNS vertebrates)) (VP (VBP control) (NP (NN body) (NN temperature)) (PP (TO to) (NP (NP (RB just) (DT a) (JJ limited) (NN extent)) (PP (IN from) (NP (DT the) (NN outside))))) (PP (IN by) (S (VP (VBG changing) (NP (NN behavior)))))) (. .)))