( ( Shark cartilage ) ( ( ( makes up ) ( ( the ( entire skeleton ) ) ( of ( ( the shark ) ( -LRB- ( ( ( ( about 6 ) % ) ( ( -8 % ) ( of ( its ( gross weight ) ) ) ) ) -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN Shark) (NN cartilage)) (VP (VBZ makes) (PRT (RP up)) (NP (NP (DT the) (JJ entire) (NN skeleton)) (PP (IN of) (NP (NP (DT the) (NN shark)) (PRN (-LRB- -LRB-) (NP (NP (QP (RB about) (CD 6)) (NN %)) (PP (NP (CD -8) (NN %)) (IN of) (NP (PRP$ its) (JJ gross) (NN weight)))) (-RRB- -RRB-)))))) (. .)))
Shark cartilage makes up the entire skeleton of the shark (about 6%-8% of its gross weight).
(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))))) (. .)))