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5 Written questions

5 Matching questions

  1. stabilizing selection
  2. comparative anatomy
  3. Darwin's Finches
  4. variation
  5. adaptation
  1. a Several species of finch's evolved to have different beak shapes to occupy a specific niche on the Galapagos islands.
  2. b any difference between individuals of the same species
  3. c the comparison of body structures
  4. d something that enhances an organism's ability to survive and reproduce in its environment
  5. e favors intermediate phenotypes acting against both extreme phenotypes

5 Multiple choice questions

  1. Phenomenon in which individuals with adaptive genetic traits produce more living offspring than do individuals without such traits.
  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. group of individuals of the same species living in the same place at the same time
  4. the total collection of genes in a population at any given time
  5. is the movement of individuals of gametes/spores between populations and can alter allele frequencies in a population

5 True/False questions

  1. molecular biologycomparisons of DNA and amino acid sequences betweeen different organisms that reveal evolutionary relationships


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


  3. biogeographythe similarity in characteristics that result from common ancestors


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


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