Natural Selection UNIT7 UNIT AT A GLANCE Enduring Understanding Topic Suggested Skill Class Periods ~20–23 CLASS PERIODS EVO-1 7.1 Introduction to Natural Selection 2.A Describe characteristics of a biological concept, process, or model represented visually. Artificial selection works the same way as natural selection, except that with natural selection it is nature, not human interference, that makes these decisions. Similarly, a holobiont is seen as an “integrated community of species, [which] becomes a unit of natural selection” (Gilbert, Sapp, & Tauber 2012: 334). Artificial selection is the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations. The Unit of Natural Selection: Groups, Families, Individuals, or Genes? Natural selection definition is - a natural process that results in the survival and reproductive success of individuals or groups best adjusted to their environment and that leads to the perpetuation of genetic qualities best suited to that particular environment. Charles Darwin and Alfred Wallace published simultaneous papers in the subject in 1858, and Darwin subsequently published many additional works on evolution and natural selection. There much debate about this question of the unit of natural selection. Natural selection is one of the four basic premises of evolutionary theory, alongside mutation, migration and genetic drift. Darwin chose the name as an analogy with artificial selection (selective breeding).. Natural selection is the process where organisms with favorable traits are more likely to reproduce. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Content may be subject to copyright. Author content. The gene as the solution to the debate over the level at which natural selection acts has often been termed as too reductionist, but is this a valid criticism? Reiss, Michael J. Offers perspectives on natural selection and the phenomenon of altruism. 7.2 Natural Selection 1.B Explain biological concepts and/or processes. Natural selection is the mechanism that causes evolutionary change, helping organisms adapt to their environment. It therefore fundamentally adjusts the frequency of small genetic units. Journal of Biological Education, v19 n4 p287-92 Win 1985. Group selection is weak because of the low genetic correlation (heritability) between succeeding generations of groups. • Natural selection only adjusts the frequencies of entities that are sufficiently permanent over evolutionary time. Natural selection is a central concept of evolution.The English biologist Charles Darwin and Alfred Russel Wallace, and is sometimes called the survival of the fittest. 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