Which sentence from Selection 1 supports the idea that the horses face threats beyond the problem of inbreeding?
"Now their numbers have dwindled to a few hundred, the best known living on
federal parkland at Shackleford banks" (paragraph 2)
"Lacking natural predators, and trapped by fences that jut into the choppy Atlantic,
the herd is becoming to inbred that its advocates fear a genetic collapse in mere
generations." (paragraph 3)
Bonds between horse and human have existed for centuries, it is the animal that
has pulled plows, and carried armles and settlers forward in the name of
civilization." (paragraph)
"As corolla becomes more densely developed the horses could be pushed more
and more onto land set aside for Wildlife sanctuarie (paragraph 1