( ( ( Prokaryote Metabolism ) ( Like ( all ( living things ) ) ) ) ( , ( prokaryotes ( ( need ( ( energy and ) carbon ) ) . ) ) ) )
(ROOT (S (PP (NP (NNP Prokaryote) (NNP Metabolism)) (IN Like) (NP (DT all) (NN living) (NNS things))) (, ,) (NP (NNS prokaryotes)) (VP (VBP need) (NP (NN energy) (CC and) (NN carbon))) (. .)))
Prokaryote Metabolism   Like all living things, prokaryotes need energy and carbon.
(ROOT (S (NP (NNS Prokaryotes)) (VP (VBD were) (NP (NP (DT the) (JJ first) (NN living) (NNS things)) (SBAR (S (VP (TO to) (VP (VB evolve) (PP (IN on) (NP (NN earth))))))))) (. .)))