What happened to the population of melanized moths in areas where industrialization did not occur?

What happened to the population of melanized moths in areas where industrialization did not occur?
  1. They increased in population size
  2. They decreased in population size
  3. They remained unchanged
  4. They became extinct

Solution

In areas where industrialization did not occur e.g., in rural areas, the count of melanized moths was low.

Asked in: NCERT

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