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5 Written questions

5 Matching questions

  1. homology
  2. mutation
  3. species
  4. intrasexual competition
  5. stabilizing selection
  1. a changes in the nucleotide sequence of DNA, and are the ultimate sources of new alleles
  2. b a group of organisms whose members can breed and produce fertile offspring but who do not produce fertile offspring with members of other groups
  3. c favors intermediate phenotypes acting against both extreme phenotypes
  4. d the similarity in characteristics that result from common ancestors
  5. e involves competition for mates, usually by males

5 Multiple choice questions

  1. ability of an individual to survive and reproduce in its specific environment
  2. the branch of biology that names and classifies species and groups them into broader categories
  3. group of small islands located west of South America; the most influential to Darwin during his voyage; each island has a different climate
  4. a change in the relative frequencies of alleles in a gene pool over time (small change over time)
  5. acts against individuals at one of the phenotypic extremes

5 True/False questions

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


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


  3. gene poolis the movement of individuals of gametes/spores between populations and can alter allele frequencies in a population


  4. adaptationsomething that enhances an organism's ability to survive and reproduce in its environment


  5. Hardy Weinberg Principlestates that allele and genotype frequencies within a sexually reproducing, diploid population willl remain in equilibrium unless outside forces act to change those frequencies