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5 Written questions

5 Matching questions

  1. temporal isolation
  2. vestigial structures
  3. sexual selection
  4. homologous structures
  5. hardy weinberg principle
  1. a states that allele frequencies in a population should remain constant unless one or more factors cause those frequencies to change
  2. b form of reproductive isolation in which two or more species reproduces at the same time
  3. c structures that are shared by related species and that have been inherited from a common ancestor
  4. d inherited from ancestors but have lost much or all of their original function due to different selection pressures acting on the descendant
  5. e when individuals select mates based on heritable traits, such as size, strength, or coloration

5 Multiple choice questions

  1. the number of times an allele occurs in a gene pool, compared to the total number of alleles in that pool for the same gene
  2. traits that are controlled by two or more genes
  3. the study of where organisms live now and where they and their ancestors lived in the past
  4. occurs when individuals at the outer ends of the curve have higher fitness than individuals near the middle of the curve
  5. when allele frequencies change as a result of the migration of a small subgroup of a population

5 True/False questions

  1. adaptationthe formation of a new species


  2. speciationa population or group of populations whose members can interbreed and produce fertile offspring


  3. analogous structuresstructures that are shared by related species and that have been inherited from a common ancestor


  4. genetic driftrandom change in allele frequency caused by a series of chance occurrences that cause an allele to become more or less common in a population


  5. genetic equilibrumsituation in which allele frequencies in a population remain the same


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