( ( Phototaxis ( stimulating light ) ) ( ( was ( provided ( by ( means ( of ( a ( 150W ( Xenophot ( HLX lamp ) ) ) ) ) ) ) ) ) ; ) )
(ROOT (S (NP (NP (NNS Phototaxis)) (VP (VBG stimulating) (NP (NN light)))) (VP (VBD was) (VP (VBN provided) (PP (IN by) (NP (NP (NNS means)) (PP (IN of) (NP (DT a) (CD 150W) (NNP Xenophot) (NNP HLX) (NN lamp))))))) (: ;)))
Phototaxis stimulating light was provided by means of a 150W Xenophot HLX lamp;
(ROOT (S (NP (NNS Phototaxis)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (NN movement)) (PP (IN toward) (NP (NN light))))))) (. .)))