( ( Adult iguanas ) ( ( ( ( are not ) ( at risk ) ) ( from ( ( ( many predators ) , ) ( as ( they ( can ( ( defend themselves ) ( with ( ( ( sharp teeth ) and ) ( strong tails ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Adult) (NNS iguanas)) (VP (VBP are) (RB not) (PP (IN at) (NP (NN risk))) (PP (IN from) (NP (NP (JJ many) (NNS predators)) (, ,) (SBAR (IN as) (S (NP (PRP they)) (VP (MD can) (VP (VB defend) (NP (PRP themselves)) (PP (IN with) (NP (NP (JJ sharp) (NNS teeth)) (CC and) (NP (JJ strong) (NNS tails))))))))))) (. .)))
Adult iguanas are not at risk from many predators, as they can defend themselves with sharp teeth and strong tails.
(ROOT (S (NP (JJ Strong) (NN odor)) (VP (VBZ helps) (S (NP (DT some) (NNS animals)) (VP (VB defend) (NP (PRP themselves)) (PP (IN against) (NP (NNS predators)))))) (. .)))
Strong odor helps some animals defend themselves against predators.