Native plants, those that have grown in a particular area since before human settlement, provide food and habitat for native wildlife. Fewer native plants due to extreme drought has led to decreasing populations of wildlife. The change in these populations would be due to a/an________.

a
density dependent limiting factor
b
density independent limiting factor
c
increase in biotic potential for several native species
d
exponential growth of non-native species

b. density independent limiting factor