A population of organisms facing a high risk of becoming extinct because of its population size or rate of population decline due to changing environmental trends or increased predation is considered
A) threatened. B) vulnerable. C) endangered. D) a fire brigade. E) on the "black" list.
When humans deal with species in crisis after they have fallen to critical levels, instead of preserving ecosystems and habitats before declines in populations, it is referred to as
A) endangered species rescue. B) the fire-brigade approach. C) biodiversity management. D) the critical species technique. E) preservation of threatened species.