( This ( ( ( extended ( that testing ) ) ( to ( ( ( 200 and ) 300 ) meters ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBD extended) (NP (DT that) (NN testing)) (PP (TO to) (NP (QP (CD 200) (CC and) (CD 300)) (NNS meters)))) (. .)))
This extended that testing to 200 and 300 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.