Question

In class we discussed the black-footed ferret as an example of a nearly extinct species that benefited from being included on the endangered species list. Which of the following criteria for inclusion on the endangered species list applied to the black-footed ferret?

Answer 1

Farmers as well as the government slaughtered vast numbers of prairie dogs, their main source of food.

Black-footed a significant portion of the morphologies prairie environment that the ferrets rely on was plowed for crops, ferrets are now considered to be endangered. Due to illness and habitat degradation, the number of prairie dogs—the ferrets' principal food—has decreased. Black-footed ferrets are still in grave danger in food. Although it may seem like a modest number, the fact that there is a steady captive population plus proof of mating in the wild makes this an enormous achievement. Only one ferret species that is endemic to North America is the black-footed ferret, which is among the most endangered dogs there. Their return to the wild is an indication that the grassland ecology, on which they depend for survival, is in good shape.

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