When the rodenticide warfarin was first introduced, rats were very susceptible to it. The development of resistance to warfarin by rats was the result of
A) special creation.
B) natural selection of individuals that expressed genes for resistance.
C) the high biotic potential of insects.
D) a naturally occurring example of inheritance of acquired characteristics.
E) mutation induced by DDT.

Question

When the rodenticide warfarin was first introduced, rats were very susceptible to it. The development of resistance to warfarin by rats was the result of​
A) ​special creation.
B) ​natural selection of individuals that expressed genes for resistance.
C) ​the high biotic potential of insects.
D) ​a naturally occurring example of inheritance of acquired characteristics.
E) ​mutation induced by DDT.

Quizplus · Accepted Answer

The Answer is B

When the Rodenticide Warfarin Was First Introduced, Rats Were Very