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5 Written questions

5 Matching questions

  1. fossils
  2. behavioral isolation
  3. adaptation
  4. biogeography
  5. vestigial structures
  1. a form of reproductive isolation in which two populations develop differences in courtship rituals or other behaviors that prevent them from breeding
  2. b the study of where organisms live now and where they and their ancestors lived in the past
  3. c preserved remains or traces of ancient organisms
  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 any heritable characteristic that increases an organism's ability to survive and reproduce in its environment

5 Multiple choice questions

  1. the process by which organisms with variations most suited to their local environment survive and leave more offspring
  2. situation in which allele frequencies in a population remain the same
  3. nature provides the variations, and humans select those they find useful
  4. body parts that share common function, but not structure
  5. occurs when individuals at one end of the curve have higher fitness than individuals in the middle or at the other end

5 True/False questions

  1. homologous structuresbody parts that share common function, but not structure


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


  3. evolutionthe process of change over time


  4. hardy weinberg principlestates that allele frequencies in a population should remain constant unless one or more factors cause those frequencies to change


  5. 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


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