Moths can show Natural Selection if the
colour of their tree changes colour. An
example of this is when the white lichen
on the

Question

Moths can show Natural Selection if the colour of their tree changes colour. An example of this is when the white lichen on the bark of their preferred trees turned black due to pollution from factories. 
Describe the process for moths. 
How long can it take for punctuated evolution?

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Moths can show Natural Selection if the colour of their tree changes colour. An example of this is when the white lichen on the bark of their preferred trees turned black due to pollution from factories. Describe the process for moths. Text How long can it