( ( Unlike ( ( the ( bony fish ) ) ( -LRB- ( ( that ( ( is , ) ( ( bass , ) ( ( ( ( grouper , ) trout ) , ) etc. ) ) ) ) -RRB- ) ) ) ) ( , ( elasmobranchs ( ( have ( ( a skeleton ) ( ( composed entirely ) ( of ( ( cartilage , ) ( ( a material ) ( that ( ( makes up ) ( ( the ends ) ( of ( ( ( our noses ) and ) ( ear lobes ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Unlike) (NP (NP (DT the) (JJ bony) (NN fish)) (PRN (-LRB- -LRB-) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (, ,) (NP (NP (NN bass)) (, ,) (NP (NP (NN grouper)) (, ,) (NP (NNS trout)) (, ,) (FW etc.)))))) (-RRB- -RRB-)))) (, ,) (NP (NNS elasmobranchs)) (VP (VBP have) (NP (NP (DT a) (NN skeleton)) (VP (VBN composed) (ADVP (RB entirely)) (PP (IN of) (NP (NP (NN cartilage)) (, ,) (NP (NP (DT a) (NN material)) (SBAR (WHNP (WDT that)) (S (VP (VBZ makes) (PRT (RP up)) (NP (NP (DT the) (NNS ends)) (PP (IN of) (NP (NP (PRP$ our) (NNS noses)) (CC and) (NP (NN ear) (NNS lobes)))))))))))))) (. .)))
Unlike the bony fish (that is, bass, grouper, trout, etc.), elasmobranchs have a skeleton composed entirely of cartilage, a material that makes up the ends of our noses and ear lobes.
(ROOT (S (ADVP (RB Early) (PP (IN in) (NP (NP (DT the) (NN development)) (PP (IN of) (NP (DT a) (JJ human) (NN fetus)))))) (, ,) (NP (DT the) (NN skeleton)) (VP (VBZ is) (VP (VBN made) (ADVP (RB entirely)) (PP (IN of) (NP (NN cartilage))))) (. .)))