( It ( ( appears ( to ( have ( ( ( a skull ) and ) ( ( skeletal structures ) ( made ( of cartilage ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ appears) (S (VP (TO to) (VP (VB have) (NP (NP (DT a) (NN skull)) (CC and) (NP (NP (JJ skeletal) (NNS structures)) (VP (VBN made) (PP (IN of) (NP (NN cartilage)))))))))) (. .)))
It appears to have a skull and skeletal structures made of cartilage.
(ROOT (S (NP (NNS Hagfishes)) (VP (VBP have) (NP (NP (DT a) (NN skull)) (VP (VBN made) (PP (IN of) (NP (NN cartilage)))))) (. .)))