( ( ( Phylum/Subphylum ( Characteristics Describe/Discuss ) ) ( how ( ( colonial ( single ( cellular organisms ) ) ) ( could ( have given ) ) ) ) ) ( ( rise ( to ( simple ( multicellular organisms ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Phylum/Subphylum) (NNPS Characteristics) (NNP Describe/Discuss)) (SBAR (WHADVP (WRB how)) (S (NP (JJ colonial) (JJ single) (JJ cellular) (NNS organisms)) (VP (MD could) (VP (VB have) (VP (VBN given))))))) (VP (VBP rise) (PP (TO to) (NP (JJ simple) (NN multicellular) (NNS organisms)))) (. .)))
Phylum/Subphylum Characteristics Describe/Discuss how colonial single cellular organisms could have given rise to simple multicellular organisms.
(ROOT (S (S (NP (JJ Single-celled) (NNS organisms) (CC and) (NN multicellular) (NNS organisms)) (VP (VBP have) (NP (NP (DT this)) (PP (IN in) (NP (JJ common)))))) (: :) (S (NP (DT both)) (VP (VBP have) (NP (DT a) (NN way) (S (VP (TO to) (VP (VB get) (ADJP (JJ rid)) (PP (IN of) (NP (NN waste) (NNS materials))))))))) (. .)))