Populations of peppered moth Biston betu...

Populations of peppered moth Biston betularia of England underwent directional selection during and after industrialisation. The selective agent causing the change was/were

Man

Lichens

Toxins from industrial smoke

Birds

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In the case of peppered moth (Biston betularia) the black-coloured from became dominant over the light-coloured form in England during industrial revolution. This is an example of

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An interesting observation supporting evolution by natural selection comes from England. In a collection of moths made in the 1850s (before industrialization) . Which of the following were true at that time ? P - Pollution was very less. Q - Thick growth of almost white - colored lichen covered the moths. R - Dark coloured moths were picked out by predators.

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