Peppered Moth - Biston betularia. from the silver birch is a dainty lady poem Watch Video
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Description: Peppered Moth - Biston betularia.nThe moth is from the family ofGeometridae – subfamily--- Ennominae.nnIt is a medium to large-sized macro moth, with a wingspan of 35 to 60 mm.nnThe dark (melanic) morph of the peppered moth (Biston betularia) is inconspicuous on a soot-covered tree. In contrast, the light grey form stands out, leaving it vulnerable to predation by birds. The gradual darkening of the wings of the melanic peppered moth is an example of industrial melanism, having arisen becaus
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