Pesticides are chemicals that are often sprayed on crops to kill plant-eating insects, preventing damage to the crops. While pesticides are effective initially, many researchers claim that any single pesticide will see reduced effectiveness in as little as ten to fifteen years.

Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter1: The Study Of Life
Section: Chapter Questions
Problem 9RQ: A person notices that her houseplants that are regularly exposed to music seem to grow more quickly...
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Pesticides are chemicals that are often sprayed on crops to kill plant-eating insects, preventing damage to the crops. While pesticides are effective initially, many researchers claim that any single pesticide will see reduced effectiveness in as little as ten to fifteen years.
 
Which of the following best supports the claim by scientists that the pesticides will eventually lose their effectiveness?
 
The insects will build up a tolerance to the pesticides, and eventually the pesticide will not affect them.
 
The pesticides will increase the mutation rate in the insects, resulting in higher genetic diversity and higher survival rate.
 
Insects that are naturally resistant to the pesticide will survive and reproduce more than the insects that are sensitive to the pesticide.
 
Insects will evolve to avoid any plant sprayed with pesticides to increase their chances of survival.
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