( ( 616 ( primary consumers ) ) ( ( Animals ( that ( ( ( eat plants ) and ) ( form ( the ( second ( trophic level ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ 616) (JJ primary) (NNS consumers)) (VP (VBZ Animals) (S (NP (DT that)) (VP (VP (VB eat) (NP (NNS plants))) (CC and) (VP (VB form) (NP (DT the) (JJ second) (JJ trophic) (NN level)))))) (. .)))
616 primary consumers Animals that eat plants and form the second trophic level.
(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)))))))) (. .)))