Even if we can't use DNA to restore ground sloths and giant madillos

So even if we can't use DNA to bring back ground sloths and giant armadillos,we can restore bears, wolves, pumas lynx, moose and bison
to the places where they used to live.Some of these animals can reshape their surroundings,creating conditions that allow other species to thrive.When wolves were reintroduced to the Yellowstone National Park in 1995,they quickly transformed the ecosystem.Where they reduced the numbers of overpopulated deer, vegetation began to recover.