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Which of the following is NOT a good example of naturalselection? a. The increas

ID: 1658 • Letter: W

Question

Which of the following is NOT a good example of naturalselection?



a. The increase in herbicide resistanceamong weeds on farms that use herbicides.

b. An increase in felineobesity over the last 2 generations due to gradually increasing fatcontent in cat food in the 90's and 2000's.

c. A decrease in allelicfrequency of brown rodents when an unusually snowy winter hits LasVegas, turning the desert white for months.

d. The increased percentageof drug-resistant microorganisms in patients being treated withdrugs.
Which of the following is NOT a good example of naturalselection?



a. The increase in herbicide resistanceamong weeds on farms that use herbicides.

b. An increase in felineobesity over the last 2 generations due to gradually increasing fatcontent in cat food in the 90's and 2000's.

c. A decrease in allelicfrequency of brown rodents when an unusually snowy winter hits LasVegas, turning the desert white for months.

d. The increased percentageof drug-resistant microorganisms in patients being treated withdrugs.

Explanation / Answer

B. All the others are organisms dying or living due to aspecific trait... cats are just getting fatter because we feed themcrap.