( No ( , ( Phytoplankton ( ( is ( ( the ( smallest form ) ) ( of plankton ) ) ) . ) ) ) )
(ROOT (S (INTJ (UH No)) (, ,) (NP (NNP Phytoplankton)) (VP (VBZ is) (NP (NP (DT the) (JJS smallest) (NN form)) (PP (IN of) (NP (NN plankton))))) (. .)))
No, Phytoplankton is the smallest form of plankton.
(ROOT (S (NP (NNP Phytoplankton)) (VP (VBP make) (NP (NP (NN food)) (PP (IN via) (NP (NN photosynthesis))))) (. .)))