Biology 9th Edition by Eldra Solomon,Linda Berg ,Diana Martin

تمرين 8

SCIENCE, TECHNOLOGY, AND SOCIETY. Farmers oft en face a predicament, known as the pesticide treadmill, in which the cost of applying pesticides increases because the pesticides have to be applied more frequently or in larger doses, while their effectiveness decreases. Based on what you have learned in this chapter, offer an explanation for why the pesticides lose their effectiveness.