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5 Written questions

5 Matching questions

  1. population
  2. directional selection
  3. variation
  4. homology
  5. gene flow
  1. a the similarity in characteristics that result from common ancestors
  2. b acts against individuals at one of the phenotypic extremes
  3. c is the movement of individuals of gametes/spores between populations and can alter allele frequencies in a population
  4. d any difference between individuals of the same species
  5. e group of individuals of the same species living in the same place at the same time

5 Multiple choice questions

  1. the branch of biology that names and classifies species and groups them into broader categories
  2. states that allele and genotype frequencies within a sexually reproducing, diploid population willl remain in equilibrium unless outside forces act to change those frequencies
  3. a group of organisms whose members can breed and produce fertile offspring but who do not produce fertile offspring with members of other groups
  4. Several species of finch's evolved to have different beak shapes to occupy a specific niche on the Galapagos islands.
  5. the geographic distribution of species, suggested to Darwin that organisms evolve from common ancestors

5 True/False questions

  1. intrasexual competitionindividuals of one sex are choosy in picking their mates often selecting flashy or colorful mate


  2. The Galapagos Islandssomething that enhances an organism's ability to survive and reproduce in its environment


  3. natural selectionprocess by which individuals that are better suited to their environment survive and reproduce most successfully (survival of the fittest)


  4. stabilizing selectionacts against individuals at one of the phenotypic extremes


  5. disruptive selectionacts against individuals at one of the phenotypic extremes


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