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Lecture Notes for BIOL 1005 - General Biology with Lipscomb at Virginia Tech (VT)

Notes Information

Material Type:Class Note 15
Professor:Lipscomb
Class:BIOL 1005 - General Biology
Subject:Biological Sciences
University:Virginia Polytechnic Institute And State University
Term:Fall 2005
Keywords:
  • Balanced Polymorphism
  • Intersexual
  • Intersexual Selection
  • Type a Behavior
  • Genetic Drift
  • Environmental Forces
  • Reproductive Success
  • Female Choice
  • Hardy-Weinberg Principle
  • Participating
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Sample Document Text

Chapter 15 Vocabulary 1. Adaptation - a trait that increases the ability of an individual to survive and reproduce compared to individuals without the trait. allele of that gene in a population 2. allele frequency - for any given gene, the relative proportion of each 3. Altruism - a type of behavior that may decrease the reproductive success of the individual performing it but benefits the other individuals 4. assortative mating 5. balanced polymorphism - the prolonged maintenance of two or more alleles in a population, normally because each allele is favored by a separate environmental pressure 6. Coevolution - the evolution of adaptations in two species due to their extensive interactions with one another, such that each species acts as a major force of natural selection on the other 7. Competition - interaction among individuals who attempt to utilize a resource, like food or space, that is limited relative to the demand for it 8. directional selection - a type of natural selection in which one extreme p...

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