July 2018
Intermediate to advanced
288 pages
10h 9m
English
This chapter covers
One of the most fascinating things in nature is the ability of a species to adapt to its changing environment. The canonical example is Great Britain’s peppered moth. When newly industrialized Great Britain became polluted in the 19th century, slow-growing, light-colored lichens that covered trees died, resulting in a blackening of the trees’ bark. The impact was quite profound: light-colored peppered moths, which historically were well-camouflaged and in the majority, now found themselves the obvious targets of many a ...
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