( ( ( ( ( ( ( ( ( Of , ) ( relating to ) ) , ) or ) ( inhabiting ( the ( shallow water ) ) ) ) , ) or ) ( ( nearshore ( marine zone ) ) ( ( extending ( from ( the ( low-tide level ) ) ) ) ( to ( ( a depth ) ( of ( 200 meters ) ) ) ) ) ) ) . )
(ROOT (S (S (VP (VP (VBG Of)) (, ,) (VP (VBG relating) (PP (TO to))) (, ,) (CC or) (VP (VBG inhabiting) (NP (DT the) (JJ shallow) (NN water))))) (, ,) (CC or) (S (NP (JJ nearshore) (JJ marine) (NN zone)) (VP (VBG extending) (PP (IN from) (NP (DT the) (JJ low-tide) (NN level))) (PP (TO to) (NP (NP (DT a) (NN depth)) (PP (IN of) (NP (CD 200) (NNS meters))))))) (. .)))
Of, relating to, or inhabiting the shallow water, or nearshore marine zone extending from the low-tide level to a depth of 200 meters.
(ROOT (S (NP (DT The) (JJ photic) (NN zone)) (VP (VBZ extends) (ADJP (NP (CD 200) (NNS meters)) (JJ deep))) (. .)))
The photic zone extends 200 meters deep.