( ( Benthos ' ) ( ( are ( the ( ( organisms ( -LRB- ( ( usually invertebrates ) -RRB- ) ) ) ( that ( live ( ( ( ( ( on , ) in ) , ) or ) ( near ( ( the bottom ) ( of ( ( water bodies ) ( -LRB- ( ( ( i.e. , ) ( stream ( , ( lake ( , ( pond ( , ( wetland ( , ( or ocean ) ) ) ) ) ) ) ) ) ) -RRB- ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Benthos) (POS ')) (VP (VBP are) (NP (DT the) (NNS organisms) (PRN (-LRB- -LRB-) (NP (ADVP (RB usually)) (NNP invertebrates)) (-RRB- -RRB-)) (SBAR (WHNP (WDT that)) (S (VP (VBP live) (PP (IN on) (, ,) (ADVP (RB in)) (, ,) (CC or) (PP (IN near) (NP (NP (DT the) (NN bottom)) (PP (IN of) (NP (NP (NN water) (NNS bodies)) (PRN (-LRB- -LRB-) (NP (NP (NNP i.e.)) (, ,) (NP (NN stream) (, ,) (NN lake) (, ,) (NN pond) (, ,) (NN wetland) (, ,) (CC or) (NN ocean))) (-RRB- -RRB-)))))))))))) (. .)))
Benthos' are the organisms (usually invertebrates) that live on, in, or near the bottom of water bodies (i.e., stream, lake, pond, wetland, or ocean).
(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.