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 (B)</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 (D)</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 (C)</p> Signup and view all the answers

What is the purpose of deriving predictions from a hypothesis?

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

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

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

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

<p>More observations (C)</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 (D)</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 (D)</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 (D)</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 (D)</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 (B)</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 (C)</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 (A)</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 (C)</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 (D)</p> Signup and view all the answers

What role do predictions play in designing an experiment?

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

What type of questions do ecologists carefully select for research?

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

What is a hypothesis in the context of scientific research?

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

What is the purpose of deriving predictions from a hypothesis?

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

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

<p>The independent variable (C)</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 (B)</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 (E)</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 (C)</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 (D)</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 (C)</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 (D)</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 (A)</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 (D)</li> </ul> Signup and view all the answers

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