Principles of Biology: Scientific Method Quiz
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Questions and Answers

What is the correct order of steps in the scientific method?

  • Generate hypothesis, observation, experiment, test hypothesis, support for hypothesis, results
  • Observation, question, generate hypothesis, experiment, results, support for hypothesis (correct)
  • Test hypothesis, observation, generate hypothesis, experiment, results, support for hypothesis
  • Observation, generate hypothesis, test experiment, support for hypothesis, results
  • What term describes the process where an organism becomes better suited to its habitat over time?

  • Adaptation –– acclimatization (correct)
  • Evolution –– adaptation
  • Natural selection –– acclimatization
  • Specialization –– acclimation
  • In the context of physiological adaptations, what is the purpose of the control group in an experiment?

  • To support the hypothesis
  • To provide results that reject the hypothesis
  • To serve as a basis for comparison with the treatment group (correct)
  • To receive the experimental treatment
  • What is the purpose of the polar bear's small ears?

    <p>To release excess heat and regulate body temperature</p> Signup and view all the answers

    Why do polar bears have a thick layer of blubber (fat)?

    <p>To provide insulation against the cold environment</p> Signup and view all the answers

    What is the primary purpose of the clear inner eyelid (nictitating membrane) in polar bears?

    <p>To reduce direct contact by sunlight and maintain clear vision</p> Signup and view all the answers

    What is the purpose of the silver sheen on the freshwater fish?

    <p>To reflect more than 70% of the sun's rays</p> Signup and view all the answers

    At what speed can the freshwater fish swim due to its streamlined body and fast-twitch muscles?

    <p>85.5 cm/second</p> Signup and view all the answers

    What adaptation helps the bird to regulate its body temperature?

    <p>Presence of a special oil that helps in insulation</p> Signup and view all the answers

    What significant event marked the beginning of agriculture?

    <p>Neolithic revolution</p> Signup and view all the answers

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