A number of mosquito populations today are resistant to specific insecticides,even though those insecticides were highly effective when they were first introduced.Biologists believe that insecticide resistance evolved in mosquitoes because
A) individual mosquitoes built up an immunity to an insecticide after being exposed to it.
B) mosquitoes needed to develop insecticide resistance to survive after the insecticide was used.
C) a few mosquitoes were probably resistant to the insecticide before it was ever used. These survived and passed that trait on to their offspring.
D) the presence of the insecticide caused some mosquitoes to develop resistance; they survived and passed the trait to their offspring.
E) current mosquito populations are phenotypically variable and exhibit differential fitness in different environments.
Correct Answer:
Verified
Q48: What is responsible for genetic variation in
Q49: Overprescription of antibiotics and their improper use
Q57: All the individuals of a species living
Q61: What is the role of natural selection
Q61: How would the resistance level of an
Q66: Natural selection causes
A) changes in an individual's
Q66: You've gone to the doctor and she
Q67: Which has made the biggest impact on
Q67: Which of these are most fit in
Q70: An organism's ability to survive and reproduce
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents