The populations of Biston betularia in central England in 1895 were almost entirely the dark wing morph, and eventually the light winged morph was not found in some populations. Yet, once air pollution from coal burning was controlled, the light winged morph reappeared because: a) mutation constantly reintroduced light-wing morph to the population b) some dark-winged individuals learned to make their wings light color c) mutation was induced by the change in the peppered moth environment d) all of the above

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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The populations of Biston betularia in central England in 1895 were almost entirely the dark wing
morph, and eventually the light winged morph was not found in some populations. Yet, once air
pollution from coal burning was controlled, the light winged morph reappeared because:
a) mutation constantly reintroduced light-wing morph to the population
b) some dark-winged individuals learned to make their wings light color
c) mutation was induced by the change in the peppered moth environment
d) all of the above
Transcribed Image Text:The populations of Biston betularia in central England in 1895 were almost entirely the dark wing morph, and eventually the light winged morph was not found in some populations. Yet, once air pollution from coal burning was controlled, the light winged morph reappeared because: a) mutation constantly reintroduced light-wing morph to the population b) some dark-winged individuals learned to make their wings light color c) mutation was induced by the change in the peppered moth environment d) all of the above
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