( ( ( The ( main difference ) ) ( between ( ( zooplankton and ) phytoplankton ) ) ) ( ( is ( that ( phytoplankton ( has ( the ( ability ( to ( ( manufacture ( its ( own food ) ) ) ( through ( ( photosynthesis or ) chemosynthesis ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ main) (NN difference)) (PP (IN between) (NP (NN zooplankton) (CC and) (NN phytoplankton)))) (VP (VBZ is) (SBAR (IN that) (S (NP (NN phytoplankton)) (VP (VBZ has) (NP (DT the) (NN ability) (S (VP (TO to) (VP (VB manufacture) (NP (PRP$ its) (JJ own) (NN food)) (PP (IN through) (NP (NN photosynthesis) (CC or) (NNS chemosynthesis))))))))))) (. .)))
The main difference between zooplankton and phytoplankton is that phytoplankton has the ability to manufacture its own food through photosynthesis or chemosynthesis.
(ROOT (S (NP (NNP Phytoplankton)) (VP (VBP make) (NP (NP (NN food)) (PP (IN via) (NP (NN photosynthesis))))) (. .)))