DDI is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. Which of the following conditions would biologists say was required for the evolution of DDT resistance in a population? The mosquito population needed to evolve DDT resistance in order to avoid extinction. A few mosquitos were resistant to DDT before it was ever used. Exposure to DDT caused specific, nonrandom mutations for DDT resistance within the population. Mosquitoes in the population had learned to adapt to the high levels of DDT in the environment.
DDI is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. Which of the following conditions would biologists say was required for the evolution of DDT resistance in a population? The mosquito population needed to evolve DDT resistance in order to avoid extinction. A few mosquitos were resistant to DDT before it was ever used. Exposure to DDT caused specific, nonrandom mutations for DDT resistance within the population. Mosquitoes in the population had learned to adapt to the high levels of DDT in the environment.
Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter19: Evolutionary Change In Populations
Section: Chapter Questions
Problem 9TYU: Mutation (a) leads to adaptive evolutionary change (b) adds to the genetic variation of a population...
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![DDT is an insecticide that was used extensively
in the mid-1900s to kill mosquitoes. It was very
effective at first, but after a few decades DDT
became less effective at killing mosquitoes
because many populations had evolved
resistance to DDT. Which of the following
conditions would biologists say was required for
the evolution of DDT resistance in a population?
The mosquito population needed to evolve DDT
resistance in order to avoid extinction.
A few mosquitos were resistant to DDT before it
was ever used.
Exposure to DDT caused specific, nonrandom
mutations for DDT resistance within the
population.
Mosquitoes in the population had learned to
adapt to the high levels of DDT in the
environment.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1d95e9f2-8a9c-45df-9d32-1a583485fdf7%2F784392c7-2362-4724-aef8-1eda0e7a0a9c%2Ff0269aa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:DDT is an insecticide that was used extensively
in the mid-1900s to kill mosquitoes. It was very
effective at first, but after a few decades DDT
became less effective at killing mosquitoes
because many populations had evolved
resistance to DDT. Which of the following
conditions would biologists say was required for
the evolution of DDT resistance in a population?
The mosquito population needed to evolve DDT
resistance in order to avoid extinction.
A few mosquitos were resistant to DDT before it
was ever used.
Exposure to DDT caused specific, nonrandom
mutations for DDT resistance within the
population.
Mosquitoes in the population had learned to
adapt to the high levels of DDT in the
environment.
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