Ecology: Scientific Method Lecture
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Questions and Answers

What is the first step in the scientific method according to the lecture?

  • Conducting experiments
  • Asking questions
  • Making observations (correct)
  • Analyzing results
  • What is a hypothesis in the context of scientific research?

  • A confirmed fact
  • An observation
  • A possible answer to a research question (correct)
  • A question that cannot be tested
  • Why is it important for observations in ecology to be accurate?

  • To make the research more interesting
  • To prevent useless research based on inaccurate observations (correct)
  • To ensure the experiments are successful
  • To support multiple hypotheses
  • What type of questions do ecologists carefully select for research?

    <p>Testable questions</p> Signup and view all the answers

    After making observations and asking testable questions, what is the next step in the scientific method according to the lecture?

    <p>Conducting experiments</p> Signup and view all the answers

    What role does the scientific method play in ecology?

    <p>It is used by ecologists to understand the natural world</p> Signup and view all the answers

    What is the purpose of deriving predictions from a hypothesis?

    <p>To test the hypothesis</p> Signup and view all the answers

    In a manipulative experiment, what does the ecologist carefully manipulate?

    <p>Only the variable being measured</p> Signup and view all the answers

    When conducting a mensurative experiment in the field, what does the ecologist rely on?

    <p>More observations</p> Signup and view all the answers

    What happens if the data agree with the predictions made from the hypothesis?

    <p>The initial hypothesis is confirmed</p> Signup and view all the answers

    What does the ecologist do if the data disagree with the predictions made from the hypothesis?

    <p>The ecologist starts over with a different hypothesis</p> Signup and view all the answers

    When starting over with a different hypothesis, what often happens?

    <p>New observations and questions are developed based on what was learned</p> Signup and view all the answers

    What does the ecologist measure in a mensurative experiment?

    <p>The amount of seagrass and seaweeds available to dugong in the wild</p> Signup and view all the answers

    What is the main difference between a manipulative experiment and a mensurative experiment?

    <p>Whether or not the variable being measured is manipulated</p> Signup and view all the answers

    What role do predictions play in designing an experiment?

    <p>They guide the design of an experiment to test the hypothesis</p> Signup and view all the answers

    What happens if an ecologist cannot manipulate the variable being measured?

    <p>They conduct a mensurative experiment instead</p> Signup and view all the answers

    What is the next step in the scientific method after making observations and asking testable questions, according to the lecture?

    <p>Formulating hypotheses</p> Signup and view all the answers

    Why is it important for observations in ecology to be accurate?

    <p>To ensure the validity of the research findings</p> Signup and view all the answers

    What role do predictions play in designing an experiment?

    <p>They provide a basis for formulating hypotheses</p> Signup and view all the answers

    What type of questions do ecologists carefully select for research?

    <p>Testable and researchable questions</p> Signup and view all the answers

    What is a hypothesis in the context of scientific research?

    <p>An unproven and speculative statement</p> Signup and view all the answers

    What happens if an ecologist cannot manipulate the variable being measured?

    <p>They must conduct a mensurative experiment instead</p> Signup and view all the answers

    What is the purpose of deriving predictions from a hypothesis?

    <p>To guide the design of experiments</p> Signup and view all the answers

    In a manipulative experiment, what does the ecologist carefully manipulate?

    <p>The independent variable</p> Signup and view all the answers

    When conducting a mensurative experiment in the field, what does the ecologist rely on?

    <p>Observations and measurements</p> Signup and view all the answers

    What role do predictions play in designing an experiment?

    <p>Predictions provide the basis for testing the hypothesis</p> Signup and view all the answers

    What does the ecologist do if the data disagree with the predictions made from the hypothesis?

    <p>Start over with a different hypothesis</p> Signup and view all the answers

    What is the main difference between a manipulative experiment and a mensurative experiment?

    <p>The manipulation of variables</p> Signup and view all the answers

    What is a hypothesis in the context of scientific research?

    <ul> <li>A testable explanation for a phenomenon</li> </ul> Signup and view all the answers

    What happens if an ecologist cannot manipulate the variable being measured?

    <ul> <li>They rely on more observations and measurements</li> </ul> Signup and view all the answers

    After making observations and asking testable questions, what is the next step in the scientific method according to the lecture?

    <ul> <li>Developing a hypothesis to explain observations</li> </ul> Signup and view all the answers

    What role does the scientific method play in ecology?

    <ul> <li>It provides a systematic approach to answering ecological questions</li> </ul> Signup and view all the answers

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