( ( ( Increased fragmentation ) ( of ( ( habitats and ) urbanization ) ) ) ( ( increases ( ( the number ) ( of ( ( natural predators ) ( in ( an area ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (VBN Increased) (NN fragmentation)) (PP (IN of) (NP (NNS habitats) (CC and) (NN urbanization)))) (VP (VBZ increases) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (JJ natural) (NNS predators)) (PP (IN in) (NP (DT an) (NN area))))))) (. .)))
Increased fragmentation of habitats and urbanization increases the number of natural predators in an area.
(ROOT (S (NP (DT A) (JJR fewer) (NNS predators)) (VP (VBZ is) (ADJP (RBS most) (JJ likely) (S (VP (TO to) (VP (VB cause) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NNS rabbits)) (VP (VBG living) (PP (IN in) (NP (DT an) (NN area))) (S (VP (TO to) (VP (VB increase))))))))))))) (. .)))
A fewer predators is most likely to cause the number of rabbits living in an area to increase.