Why did the color of the peppered moth change? The moths’ life cycle changed.
The environment changed.
The amount of variation in the moth population changed.
The number of individual moths in the population changed.

The environment changed.

Explanation:

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Adaption

Explanation: Most of the peppered moths collected in the early 1800s were the light form. Scientists bred the moths and figured out that the light-colored form of the peppered moth has different genes from the dark form. The black color of the dark form was due to a mutation in the DNA of the light-colored form.