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5 Written questions

5 Matching questions

  1. evolution
  2. molecular clock
  3. directional selection
  4. founder effect
  5. allele frequency
  1. a the process of change over time
  2. b occurs when individuals at one end of the curve have higher fitness than individuals in the middle or at the other end
  3. c uses mutation rates in DNA to estimate the time that two species have been evolving independently
  4. d when allele frequencies change as a result of the migration of a small subgroup of a population
  5. e 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

5 Multiple choice questions

  1. form of reproductive isolation in which two or more species reproduces at the same time
  2. the process by which organisms with variations most suited to their local environment survive and leave more offspring
  3. preserved remains or traces of ancient organisms
  4. any heritable characteristic that increases an organism's ability to survive and reproduce in its environment
  5. the study of where organisms live now and where they and their ancestors lived in the past

5 True/False questions

  1. sexual selectionwhen individuals select mates based on heritable traits, such as size, strength, or coloration

          

  2. single gene traita trait controlled by only one gene

          

  3. stabilizing selectionnature provides the variations, and humans select those they find useful

          

  4. disruptive selectionoccurs when individuals at the outer ends of the curve have higher fitness than individuals near the middle of the curve

          

  5. speciesa population or group of populations whose members can interbreed and produce fertile offspring

          

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