In 1987, 18 black-footed ferrets, the last known individuals of this species, were captured and brought into a captive breeding program in Wyoming. In 1989, the total ferret population, still in captivity, was 120 animals. Given r = ($\Delta$N/$\Delta$t)/N₁, and based on the numbers provided, the per capita growth rate from 1987 to 1989 was:

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The Answer of In 1987, 18 black-footed ferrets, the last known individuals of this species, were captured and brought into a captive breeding program in Wyoming. In 1989, the total ferret population, still in captivity, was 120 animals. Given r = ($\Delta$N/$\Delta$t)/N₁, and based on the numbers provided, the per capita growth rate from 1987 to 1989 was:

In 1987, 18 Black-Footed Ferrets, the Last Known Individuals of This