Introduction to Biology: Scientific Method and Variables
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Questions and Answers

What is the term for a variable that is intentionally changed by the researcher to observe its effect on the dependent variable?

  • Independent variable (correct)
  • Dependent variable
  • Control variable
  • Constant variable

    • What is the primary purpose of a control group in an experiment?

  • To test the independent variable
  • To provide a standard against which to compare the experimental group (correct)
  • To increase the experimental period
  • To reduce the sample size

    • What is the benefit of graphing data in scientific research?

  • It reduces the accuracy of the data
  • It makes the data more complicated
  • It provides a visual representation of the data, making it easier to analyze and draw conclusions (correct)
  • It eliminates the need for statistical analysis

    • What is the scientific method primarily used for?

    <p>To answer a question or solve a problem through systematic observation and experimentation</p> Signup and view all the answers

    What is the focus of the field of biology?

    <p>The study of living organisms and their interactions</p> Signup and view all the answers

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