( Otherwise ( ( the organism ) ( ( ( would not ) ( be ( ( ( ( an ( individual ( living thing ) ) ) , ) ( but rather ) ) ( ( a colony ) ( of ( living things ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Otherwise)) (NP (DT the) (NN organism)) (VP (MD would) (RB not) (VP (VB be) (NP (NP (DT an) (JJ individual) (VBG living) (NN thing)) (, ,) (CONJP (CC but) (RB rather)) (NP (NP (DT a) (NN colony)) (PP (IN of) (NP (VBG living) (NNS things))))))) (. .)))
Otherwise the organism would not be an individual living thing, but rather a colony of living things.
(ROOT (S (NP (NNP Individual)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT an) (NN organism)) (, ,) (CC or) (NP (JJ single) (VBG living) (NN thing)))))) (. .)))