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Question
Given alongside are two figures (A and B) showing a phenomenon that was first observed in Manchester before and after the year 1850.

Answer the following:
Give the common name and the scientific name of the insect involved in this phenomenon.
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Solution
Common name: Peppered moth.
Scientific name: Biston betularia.
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Given alongside are two figures (A and B) showing a phenomenon that was first observed in Manchester before and after the year 1850.

Answer the following:
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