( ( Organisms ( ( ( require oxygen ) ( so ( that ( they ( can ( utilize ( their food ) ) ) ) ) ) ) . ) ) ( ( Cellular respiration ) ( ( is ( ( a ( chemical process ) ) ( that ( ( enables ( organisms ( to ( ( ( transform food ) ( into energy ) ) ( ( that ( ( their cells ) ( can use ) ) ) . ) ) ) ) ) ( ( Cellular respiration ) ( ( ( uses oxygen ) and ) ( ( produces ( carbon dioxide ) ) ( as ( a ( waste product ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (S (NP (NNS Organisms)) (VP (VBP require) (NP (NN oxygen)) (SBAR (RB so) (IN that) (S (NP (PRP they)) (VP (MD can) (VP (VB utilize) (NP (PRP$ their) (NN food))))))) (. .)) (NP (NNP Cellular) (NNP respiration)) (VP (VBZ is) (NP (NP (DT a) (JJ chemical) (NN process)) (SBAR (WHNP (WDT that)) (S (VP (VBZ enables) (S (NP (NNS organisms)) (VP (TO to) (VP (VB transform) (NP (NN food)) (PP (IN into) (NP (NN energy))) (SBAR (IN that) (S (NP (PRP$ their) (NNS cells)) (VP (MD can) (VP (VB use)))) (. .))))) (SBAR (S (NP (NNP Cellular) (NNP respiration)) (VP (VP (VBZ uses) (NP (NN oxygen))) (CC and) (VP (VBZ produces) (NP (NN carbon) (NN dioxide)) (PP (IN as) (NP (DT a) (NN waste) (NN product)))))))))))) (. .)))
Organisms require oxygen so that they can utilize their food. Cellular respiration is a chemical process that enables organisms to transform food into energy that their cells can use. Cellular respiration uses oxygen and produces carbon dioxide as a waste product.
(ROOT (S (PP (IN As) (NP (NP (DT a) (NN result)) (PP (IN of) (NP (JJ cellular) (NN respiration))))) (, ,) (NP (NP (NN energy)) (PP (IN for) (NP (NN cell) (NNS processes)))) (VP (VBZ is) (VP (VBN released))) (. .)))