( ( Anaerobic respiration ) ( ( is ( ( a form ) ( of ( respiration ( using ( ( electron acceptors ) ( other ( than oxygen ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Anaerobic) (NN respiration)) (VP (VBZ is) (NP (NP (DT a) (NN form)) (PP (IN of) (NP (NP (NN respiration)) (VP (VBG using) (NP (NP (NN electron) (NNS acceptors)) (PP (JJ other) (IN than) (NP (NN oxygen))))))))) (. .)))
Anaerobic respiration is a form of respiration using electron acceptors other than oxygen.
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (JJ cellular) (NN respiration)) (SBAR (WHNP (WDT that)) (S (VP (VBZ does) (RB not) (VP (VB need) (NP (NN oxygen)) (S (VP (TO to) (VP (VB proceed) (NP (JJ anaerobic) (NN respiration))))))))))) (. .)))