( Animals ( ( are ( divided ( into ( ( Invertebrate ( and ( Vertebrates Vertebrates ) ) ) ( -LRB- ( ( animals ( having ( ( backbones or ) ( vertebral column ) ) ) ) -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Animals)) (VP (VBP are) (VP (VBN divided) (PP (IN into) (NP (NP (NNP Invertebrate) (CC and) (NNP Vertebrates) (NNPS Vertebrates)) (PRN (-LRB- -LRB-) (NP (NP (NNS animals)) (S (VP (VBG having) (NP (NP (NNS backbones)) (CC or) (NP (JJ vertebral) (NN column)))))) (-RRB- -RRB-)))))) (. .)))
Animals are divided into Invertebrate and Vertebrates Vertebrates (animals having backbones or vertebral column).
(ROOT (S (NP (NNP Backbone)) (VP (VBZ is) (NP (NP (DT another) (NN name)) (PP (IN for) (NP (DT the) (JJ vertebral) (NN column))))) (. .)))
Backbone is another name for the vertebral column.