There are two primary reasons for decisions increasingly being made by groups. one reason is the desire to develop more and better alternatives. the other reason is:

C. One section of the food web would be greatly impacted: the section containing the insects and insect-eating animals. Without insects and possibly spiders, there would be no food for the toads and insectivorous birds. One area would not be affected by the spray: the area with herbivores that are not insects.