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Biology, 19.04.2020 04:26 calebhoover03

A farmer sprayed his crops with an insecticide multiple times to reduce the damage caused by a certain species of insect. Each
time the farmer used the insecticide, fewer insects died.
Why did the insecticide kill fewer insects each time it was used?
OA
Insects in the population that were resistant to the insecticide were killed and could not reproduce
Insects in the population that were resistant to the insecticide lived and reproduced.
OB
OC.
None of the insects in the initial population were resistant to the insecticide
OD.
All of the insects in the initial population were resistant to the insecticide.

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