Thread: Eva Braun
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Old 16-07-2014, 05:31 PM   #79
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Lightbulb Peppered Moth

Eva is a genus of moth in the family Geometridae..The geometer moths or Geometridae (from Greek geo γη or γαια 'the earth' and metron μέτρων 'measure' — refers to the larvae, or inchworms, which appear to "measure the earth" as they move in a looping fashion) are a family of the order Lepidoptera.. A very large family, it has around 35,000 species of moths described, and over 1400 species from six subclasses indigenous to North America.. A well-known member is the Peppered Moth, Biston betularia, which has been subject of numerous studies in population genetics. Several other geometer moths are notorious pests..The name "Geometridae" ultimately derives from Latin geometra from Greek γεωμέτρης ("geometer, earth-measurer"). This refers to the means of locomotion of the larvae or caterpillars, which lack the full complement of prolegs seen in other Lepidopteran caterpillars, with only 2 or 3 pairs at the posterior end instead of the usual 5 pairs..Population genetics is the study of the distributions and changes of allele frequency in a population, as the population is subject to the four main evolutionary processes: natural selection, genetic drift, mutation and gene flow. It also takes into account the factors of recombination, population subdivision and population structure. Studies in this branch of biology examine such phenomena as adaptation and speciation...
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