Choose the best answer:
Nearly 200 of the 1500 native plant species in Hawaii are at risk of going extinct in the near future because they have been (33)_______ to such low numbers. Approximately 90 percent of Hawaii's plants are found nowhere else in the world but they are (34)_______ by alien invasive species such as feral goats, pigs, rodents and (35)_______ plants. The Hawaii Rare Plant Restoration Group is striving to (36)_______ the extinction of the 182 rare Hawaiian plants with fewer than 50 individuals remaining in the (37)_______ . Since 1990, (38)_______ a result of their "Plant Extinction Prevention Program", sixteen species have been brought into (39)_______ and three species have been reintroduced. Invasive weeds have been removed in key areas and fencing put up in order to (40)_______ plants in the wild. In the future the Hawaii Rare Plant Restoration Program aims (41)_______ collecting genetic material from the remaining plants in the wild for storage as a  safety net for the future. They also aim to manage wild populations and where possible reintroduce species into (42)_______ 

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