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5 Written questions

5 Matching questions

  1. mutation
  2. Hardy Weinberg Principle
  3. disruptive selection
  4. adaptation
  5. stabilizing selection
  1. a changes in the nucleotide sequence of DNA, and are the ultimate sources of new alleles
  2. b favors individuals at both extremes of the phenotypic range
  3. c something that enhances an organism's ability to survive and reproduce in its environment
  4. d favors intermediate phenotypes acting against both extreme phenotypes
  5. e states that allele and genotype frequencies within a sexually reproducing, diploid population willl remain in equilibrium unless outside forces act to change those frequencies

5 Multiple choice questions

  1. the comparison of body structures
  2. process by which individuals that are better suited to their environment survive and reproduce most successfully (survival of the fittest)
  3. Several species of finch's evolved to have different beak shapes to occupy a specific niche on the Galapagos islands.
  4. the total collection of genes in a population at any given time
  5. the change in heritage traits in a population over generations (change over time)

5 True/False questions

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


  2. gene flowthe total collection of genes in a population at any given time


  3. bottleneck effectleads to a loss of genetic diversity when a population is greatly reduced


  4. differential reproductionPhenomenon in which individuals with adaptive genetic traits produce more living offspring than do individuals without such traits.


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


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