( this ( ( is ( called ( anaerobic respiration ) ) ) . ) )
(ROOT (S (NP (DT this)) (VP (VBZ is) (VP (VBN called) (NP (JJ anaerobic) (NN respiration)))) (. .)))
this is called anaerobic respiration .
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (NNS prokaryotes)) (SBAR (WHNP (WDT that)) (S (VP (VBP do) (RB not) (VP (VB need) (NP (NN oxygen)) (PP (IN for) (NP (NN respiration) (NN anaerobic))))))))) (. .)))