Respuesta :
The sequence of species in which they disappear, in order from least to most severe would be: B. Threatened-Endangered-Extinct.
Hope this helps!
Hope this helps!
Answer:
threatened, endangered, extinct
Explanation:
Once a population is threatened by outside factors, the population level is threatened. If the threats harm the population in a significant way, the population becomes endangered. If all the animals are wiped out, the species becomes extinct.