( ( Organisms ( in ( the ( second ( trophic level ) ) ) ) ) ( ( are ( called ( the ( primary consumers ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Organisms)) (PP (IN in) (NP (DT the) (JJ second) (JJ trophic) (NN level)))) (VP (VBP are) (VP (VBN called) (NP (DT the) (JJ primary) (NNS consumers)))) (. .)))
Organisms in the second trophic level are called the primary consumers.
(ROOT (S (NP (NP (JJ Secondary) (NNS consumers)) (PRN (-LRB- -LRB-) (SBAR (WHNP (WDT which)) (S (VP (VBP eat) (NP (JJ primary) (NNS consumers))))) (-RRB- -RRB-))) (VP (VBP are) (VP (VBN considered) (S (VP (TO to) (VP (VB be) (ADJP (JJ trophic) (NP (NN level) (CD 3)))))))) (. .)))