( However ( , ( ( such ( exponential growth ) ) ( ( ( can not ) ( ( continue indefinitely ) ( because ( limiting ( factors ( determine ( ( the ( carrying capacity ) ) ( of ( ( the ( natural environment ) ) ( for ( any ( given population ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB However)) (, ,) (NP (JJ such) (JJ exponential) (NN growth)) (VP (MD can) (RB not) (VP (VB continue) (ADVP (RB indefinitely)) (PP (IN because) (S (VP (VBG limiting) (S (NP (NNS factors)) (VP (VB determine) (NP (NP (DT the) (VBG carrying) (NN capacity)) (PP (IN of) (NP (NP (DT the) (JJ natural) (NN environment)) (PP (IN for) (NP (DT any) (VBN given) (NN population))))))))))))) (. .)))
However, such exponential growth cannot continue indefinitely because limiting factors determine the carrying capacity of the natural environment for any given population.
(ROOT (S (NP (NNS Humans)) (VP (VBP are) (ADJP (JJ unique) (PP (IN in) (NP (PRP$ their) (NN ability) (S (VP (TO to) (VP (VB alter) (NP (PRP$ their) (NN environment)) (PP (IN with) (NP (NP (DT the) (JJ conscious) (NN purpose)) (PP (IN of) (NP (NP (JJ increasing) (VBG carrying) (NN capacity)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ acts) (PP (IN as) (NP (NP (DT a) (JJ limiting) (NN factor)) (PP (IN on) (NP (NP (NNS populations)) (PP (IN in) (NP (NN general))))))))))))))))))))) (. .)))