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5 Written Questions

5 Matching Questions

  1. disruptive selection
  2. gene flow
  3. evolution
  4. directional selection
  5. Darwin's Finches
  1. a favors individuals at both extremes of the phenotypic range
  2. b acts against individuals at one of the phenotypic extremes
  3. c Several species of finch's evolved to have different beak shapes to occupy a specific niche on the Galapagos islands.
  4. d is the movement of individuals of gametes/spores between populations and can alter allele frequencies in a population
  5. e the change in heritage traits in a population over generations (change over time)

5 Multiple Choice Questions

  1. ability of an individual to survive and reproduce in its specific environment
  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. Phenomenon in which individuals with adaptive genetic traits produce more living offspring than do individuals without such traits.
  4. involves competition for mates, usually by males
  5. a change in the relative frequencies of alleles in a gene pool over time (small change over time)

5 True/False Questions

  1. mutationchanges in the nucleotide sequence of DNA, and are the ultimate sources of new alleles


  2. mutation - variation - natural selection - evolutioncentral dogma of genetics


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


  4. taxonomythe branch of biology that names and classifies species and groups them into broader categories


  5. speciesa group of organisms whose members can breed and produce fertile offspring but who do not produce fertile offspring with members of other groups


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