If there are only one or two populations left then Numbats are more likely to become extinct because of predation or disease.
(only one or two populations; left; ) (Numbats; are; more likely to become extinct because of predation or disease; T:then) (Numbats; to become; extinct; because of predation or disease)
only one or two populations Numbats Numbats
left are to become
more likely to become extinct because of predation or disease T:then
extinct because of predation or disease