During the industrial revolution, the dark peppered moth had an advantage because it a) was larger and hardier. b) reproduced easily and quickly. c) was poisonous to many of its predators. d) blended in with the soot from the factories.

Option D, blended in with the soot from the factories, is the right answer.  

The dark peppered moth had an advantage because it mixed in with the smoke from the foundries, which preserved it of predators. The light peppered insect could not combine in and the population diminished at high standards. This modified the structure of the community in just a few ages. Therefore, option D is the correct answer.

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the scientific method.