( ( Learned ( behavior patterns ) ) ( ( enable ( animals ( to ( adjust ( to ( changes ( in ( their environment ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Learned) (NN behavior) (NNS patterns)) (VP (VBP enable) (S (NP (NNS animals)) (VP (TO to) (VP (VB adjust) (PP (TO to) (NP (NP (NNS changes)) (PP (IN in) (NP (PRP$ their) (NN environment))))))))) (. .)))
Learned behavior patterns enable animals to adjust to changes in their environment.
(ROOT (S (NP (JJ Learned) (NN behavior)) (VP (VBZ is) (ADJP (JJ adaptive)) (SBAR (IN because) (S (NP (PRP they)) (VP (VBP are) (ADJP (JJ flexible)) (, ,) (S (ADJP (JJ capable) (PP (IN of) (S (VP (VBG changing) (SBAR (IN if) (S (NP (DT the) (NN environment)) (VP (VBZ changes))))))))))))) (. .)))