Which of the following is the most recent example of evolution and natural selec

Question

Which of the following is the most recent example of evolution and natural selection? Which of the following is the most recent example of evolution and natural selection? the occurrence of many different breeds of dogs the genetic differences among the various populations on Earth the presence of long generation times in organisms the development of pesticide-resistant insects Which of the following is the most recent example of evolution and natural selection? Which of the following is the most recent example of evolution and natural selection? the occurrence of many different breeds of dogs the genetic differences among the various populations on Earth the presence of long generation times in organisms the development of pesticide-resistant insects Which of the following is the most recent example of evolution and natural selection? the occurrence of many different breeds of dogs the genetic differences among the various populations on Earth the presence of long generation times in organisms the development of pesticide-resistant insects the occurrence of many different breeds of dogs the genetic differences among the various populations on Earth the presence of long generation times in organisms the development of pesticide-resistant insects

Explanation / Answer

Which of the following is the most recent example of evolution and natural selection?

1)the occurrence of many different breeds of dogs
2)the genetic differences among the various populations on Earth
3)the presence of long generation times in organisms
4)the development of pesticide-resistant insects-CORRECT
-> Because
Pesticide-resistant Insects
The more a pesticide is used, the greater the chance that the insects targeted will develop immunity to the chemical. Pesticide resistance is not only very common, but it also usually happens rather quickly. Sometimes all it takes is a single generation. Imagine that a group of insects survives the pesticide and is able to reproduce. More likely than not, the offspring will be resistant to the pesticide from birth. Those that are not immune will die, while the strongest will survive. Since many insects reproduce quickly, several generations can be born within months or even weeks. By the time a few generations have passed, all insects are likely to be resistant to the pesticide.

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