( It ( ( is ( threatened ( by ( habitat ( loss ( and ( invasive species ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (VP (VBN threatened) (PP (IN by) (NP (NN habitat) (NN loss) (CC and) (NN invasive) (NNS species))))) (. .)))
It is threatened by habitat loss and invasive species.
(ROOT (S (NP (JJ Exotic) (NNS species)) (VP (VBP are) (ADVP (RB also)) (VP (VBN called) (NP (JJ invasive) (NNS species)) (SBAR (IN because) (S (NP (PRP they)) (VP (VBP threaten) (NP (JJ other) (NNS species))))))) (. .)))