So yupuration, many mutations
4. within a decade of the introduction of a new insecticide, nearly all of the descendants of the target insects are resistant
to the usual-sized dose. what is the most likely explanation for this change in susceptibility to the insecticide?
a. eating the insecticide caused the insects to become more resistant to it.
b. eating the insecticide caused the insects to become less resistant to it.
c. the pesticide destroyed organisms that cause disease in the insects, thus allowing them to live longer.
d. the insects developed physiological adaptations to the insecticide.