Ecology: Scientific Method Lecture

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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?

Testable questions (B) 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?

Conducting experiments (D) Signup and view all the answers

What role does the scientific method play in ecology?

It is used by ecologists to understand the natural world (C) Signup and view all the answers

What is the purpose of deriving predictions from a hypothesis?

To test the hypothesis (D) Signup and view all the answers

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

Only the variable being measured (D) Signup and view all the answers

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

More observations (C) Signup and view all the answers

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

The initial hypothesis is confirmed (D) Signup and view all the answers

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

The ecologist starts over with a different hypothesis (D) Signup and view all the answers

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

New observations and questions are developed based on what was learned (D) Signup and view all the answers

What does the ecologist measure in a mensurative experiment?

The amount of seagrass and seaweeds available to dugong in the wild (D) Signup and view all the answers

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

Whether or not the variable being measured is manipulated (B) Signup and view all the answers

What role do predictions play in designing an experiment?

They guide the design of an experiment to test the hypothesis (C) Signup and view all the answers

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

They conduct a mensurative experiment instead (A) 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?

Formulating hypotheses (C) Signup and view all the answers

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

To ensure the validity of the research findings (D) Signup and view all the answers

What role do predictions play in designing an experiment?

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

What type of questions do ecologists carefully select for research?

Testable and researchable questions (B) Signup and view all the answers

What is a hypothesis in the context of scientific research?

An unproven and speculative statement (A) Signup and view all the answers

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

They must conduct a mensurative experiment instead (A) Signup and view all the answers

What is the purpose of deriving predictions from a hypothesis?

To guide the design of experiments (B) Signup and view all the answers

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

The independent variable (C) Signup and view all the answers

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

Observations and measurements (B) Signup and view all the answers

What role do predictions play in designing an experiment?

Predictions provide the basis for testing the hypothesis (E) Signup and view all the answers

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

Start over with a different hypothesis (C) Signup and view all the answers

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

The manipulation of variables (D) 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

Ecology: Scientific Method Lecture

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Questions and Answers

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

What is a hypothesis in the context of scientific research?

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

What type of questions do ecologists carefully select for research?

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

What role does the scientific method play in ecology?

What is the purpose of deriving predictions from a hypothesis?

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

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

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

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

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

What does the ecologist measure in a mensurative experiment?

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

What role do predictions play in designing an experiment?

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

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

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

What role do predictions play in designing an experiment?

What type of questions do ecologists carefully select for research?

What is a hypothesis in the context of scientific research?

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

What is the purpose of deriving predictions from a hypothesis?

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

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

What role do predictions play in designing an experiment?

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

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

What is a hypothesis in the context of scientific research?

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

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

What role does the scientific method play in ecology?

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