In 1978,a drought on the Galapagos Islands caused a reduction in the production of seeds upon which one of Darwin's finches,a kind of bird,fed.This caused a decrease from 1,400 to 200 birds.This population change factor
A) would not be considered a part of the carrying capacity for these birds. B) was density-dependent. C) was density-independent. D) resulted in exponential growth for the bird population.