( ( This ( ( most common ) type ) ) ( ( is ( found ( in ( connective ( , ( muscle ( , ( ( nervous ( , ( and endocrine ) ) ) tissues ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This) (ADJP (RBS most) (JJ common)) (NN type)) (VP (VBZ is) (VP (VBN found) (PP (IN in) (NP (JJ connective) (, ,) (NN muscle) (, ,) (ADJP (JJ nervous) (, ,) (CC and) (JJ endocrine)) (NNS tissues))))) (. .)))
This most common type is found in connective, muscle, nervous, and endocrine tissues.
(ROOT (S (NP (JJ Only) (NNS animals)) (VP (VBP have) (NP (NP (NN muscle) (NN tissue)) (CC and) (NP (JJ nervous) (NN tissue)))) (. .)))
Only animals have muscle tissue and nervous tissue.