Practice Quiz

CLEP Biology Practice Exam - Question List

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31. An invasive species of green algae has become established along the coasts of the Mediterranean Sea. Which of the following statements best explains why this species of algae has been so successful in the Mediterranean Sea?
  1. It is not a good competitor.
  2. It is not eaten by many animals.
  3. It reproduces slowly in warm waters.
  4. It requires more nutrients than most other algae.
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32. A person who is cold shivers to generate body heat. Which of the following lists the primary body systems that interact to maintain homeostasis in this situation?
  1. nervous, excretory, and respiratory
  2. excretory, digestive, and respiratory
  3. digestive, muscular, and circulatory
  4. muscular, circulatory, and nervous
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33. Every year, monarch butterflies from Canada and the United States spend the winter in central Mexico. The dry and mild climate in Mexico allows the monarch butterflies to survive the winter. One winter, a week of storms caused freezing temperatures and 43 cm of snow in Mexico. What was the most likely impact of these storms on the monarch butterflies?
  1. Monarch butterflies died in large numbers.
  2. Monarch butterflies immediately migrated back to the United States.
  3. Monarch butterflies did not migrate from Canada and the United States the next year.
  4. Monarch butterflies evolved several new adaptations to survive the winter in Mexico.
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34. A researcher is studying a particular disease-causing agent. The agent has a protein coat, but it lacks a nucleus, contains no other organelles, and can reproduce only when it is inside an animal cell. The researcher should classify the agent as which of the following?
  1. a bacterium
  2. a fungus
  3. a protist
  4. a virus
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35. A pedigree is a diagram that traces the inheritance of a trait through a family. Which of the following patterns is typical in a pedigree for an autosomal dominant trait?
  1. The trait affects only males.
  2. The trait appears in every generation.
  3. The trait appears in only one-fourth of the individuals.
  4. The trait affects all the individuals of the second generation.
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