Lab 11 Pre Write Up

Lab 11 Pre Write Up - This is most often done by humans,...

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Drew Rasmussen Penny Louka Biology 191L December 4, 2010 Lab 11: Population Genetics, Natural Selection, and Evolution: Pre-lab Write Up 1. Natural selection is commonly known as survival of the fittest. This is where an organism is put to test by the environment it lives in. This means that the more successful genetics are passed from one generation to the next, and the “better genetics” have been chosen naturally. With artificial selection instead of the environment testing an organism’s genetics another factor chooses them.
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Unformatted text preview: This is most often done by humans, and happens with breeding and crossbreeding organisms for desired genetics. 2. The Allee effect is an observed phenomenon in biology that is explained by the theory that states for very large populations, the reproduction and survival rates of individuals decreases with population density. This means that while a population is large the survival and reproduction rates tend to be less than they would if the population was growing, and not as large....
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