( ( ( relate benthos ) ( to ( upper ( trophic ( living resources ) ) ) ) ) . )
(ROOT (S (VP (VB relate) (NP (NNS benthos)) (PP (TO to) (NP (JJ upper) (JJ trophic) (NN living) (NNS resources)))) (. .)))
relate benthos to upper trophic living resources.
(ROOT (S (NP (NP (VBG Living) (NNS things)) (PP (IN on) (NP (DT the) (NN ocean) (NN floor)))) (VP (VBP are) (VP (VBN known) (PP (IN as) (NP (NNS benthos))))) (. .)))
Living things on the ocean floor are known as benthos.