1002 offspring. to nisone osld ritiw betulloq zow his srit bos wahans Introductions, Beto Reflect and Extend ed their appearance, fenolfclugog diom tots 1. When the trees were light colored, before the 1800's the dark colored morphs were quite rare, during the 1800's, dark moths became much more popular in the population. England has cleaned up its air quality significantly in the past 50 or so years, there is no longer soot darkening the trees. Continue the graph below to show the trend after the industrial revolution (until about the 1970s) and in the past 50 years or so (1970s through today). i.e. draw lines for the light winged and dark wing moth percentage over time Percent of Light Winged Moths and Dark Winged Moths By Generation capbre as hand Percent of Moth Population 100% 75% 50% 25% 0% 1600 esinemag erlt broosh hns des 318AT or toalez ench dis Light Winged Moths Dark Winged Mothsks Industrial revolution 1070% 2000 nadw ch year, try to 1700 1800 1900 woled Colorla tasnia sbrigildiğili wodia aftues. To po JW VISTA II Time 2. A population of beetles (shown in the image below) lives in a grassy field on an island. The beetles are

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Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.