Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 1.3, Problem 2TYK
Summary Introduction
Introduction:
The scientific method is also known as hypothesis testing. This method is normally followed to formulate and test the validity of a hypothesis. It is a five-step process in which observations are made regarding a phenomenon. These observations lead to a hypothesis that is tested to make specific predictions. Experiments are conducted to determine the correctness of the predictions. The data from the experiment are analyzed and concluded that the hypothesis is considered to be consistent with the data, or it is rejected.
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Which of the following is the correct order of steps of the scientific method?
Observation-Experiment-Hypothesis-Conclusion
Hypothesis-Predictions-Experiment-Conclusion
Observation-Prediction-Hypothesis-Experiment
Hypothesis-Observation-Experiment-Prediction
Which of the following is the best definition of a hypothesis?
A question about the natural world
A suggested explanation for an observation that can be tested.
A theory that is supported by an abundance of evidence
A prediction about the expected outcome of an experiment
A controlled experiment is one that
proceeds slowly enough that a scientist can make careful records of the results.
tests experimental and control groups in parallel.
is repeated many times to make sure the results are accurate.
keeps all variables constant.
Chapter 1 Solutions
Principles of Biology
Ch. 1.1 - Look ahead to Figure 4.15. Which of these...Ch. 1.1 - The wing of a bird, the wing of an insect, and the...Ch. 1.1 - At which level of biological organization would...Ch. 1.1 - Prob. 2TYKCh. 1.2 - Among mammals, give two examples of how the tail...Ch. 1.2 - Prob. 2CCCh. 1.2 - Prob. 1BCCh. 1.2 - Prob. 3CCCh. 1.2 - Prob. 1TYKCh. 1.2 - Prob. 2TYK
Ch. 1.3 - Prob. 1CCCh. 1.3 - Prob. 2CCCh. 1.3 - Prob. 1TYKCh. 1.3 - Prob. 2TYKCh. 1.3 - Prob. 3TYKCh. 1 - A bird maintains a relatively stable internal body...Ch. 1 - Populations of organisms change over the course of...Ch. 1 - A bio1otst is studying the Living organisms in a...Ch. 1 - Which of the following is an example of horizontal...Ch. 1 - The scientific name for humans is Homo sapiens....Ch. 1 - The underlying factor that explains the unity and...Ch. 1 - By observing certain desert plants in their native...Ch. 1 - In science, a theory should be equated with...Ch. 1 - Conducting research without a preconceived...Ch. 1 - Prob. 10TYCh. 1 - Of the first eight characteristics of life...Ch. 1 - Explain how it is possible for evolution to result...Ch. 1 - In your own words, describe the 12 principles of...Ch. 1 - Discuss whether or not you think that theories in...Ch. 1 - Prob. 2CBQ
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- Which of the following is not a feature of a scientific theory? a. It begins as a hypothesis. b. It eventually is accepted as absolute truth. c. It requires critical thinking. d. It is not accepted as a theory until it has been tested repeatedly.arrow_forwardA scientific approach to explaining some aspect of the natural world includes all of the following except _________. a. a hypothesis b. testing c. faith-based views d. systematic observationsarrow_forwardFigure 1.6 In the example below, the scientific method is used to solve an everyday problem. Order the scientific method steps (numbered items) with the process of solving the everyday problem (lettered items). Based on the results of the experiment, is the hypothesis correct? If it is incorrect, propose some alternative hypotheses. Observation Question Hypothesis (answer) Prediction Experiment Result There is something wrong with the electrical outlet. If something is wrong with the outlet, my coffeemaker also won’t work when plugged into it. My toaster doesn’t toast my bread. I plug my coffee maker into the outlet. My coffeemaker works. Why doesn't my toaster work?arrow_forward
- Define and distinguish between: a. a hypothesis and a scientific theory b. an experimental group and a control grouparrow_forwardA useful hypothesis typically accomplishes these two things: Group of answer choices it is falsifiable and clear it clearly establishes a null hypothesis and it generates a testable prediction it can be easily disproved and will be considered a theory if not disproved it frames an experiment that can shed light on the observation and guides design of the experimentarrow_forwardWhich of the following statements is true for a scientific theory? It is a tentative explanation. It is tested by multiple scientists. It is based on only one experiment. orrrr It is investigated over a short period.arrow_forward
- Which of the following is not correctly linked?a. model: a representation of an object used in an experimentb. standard deviation: a form of statistical analysisc. principle: a theory that is not supported by experimental evidenced. data: the results of an experiment or observationarrow_forwardWhich of the following statements would not be a barrier to scientific inquiry? Choose all that apply. A hypothesis that includes an explanation for an observation. Predictions that stem logically from the hypothesis. Errors in data collection. Unsupported conclusions (the conclusions do not stem from the results of the experiment).arrow_forwardWhy is forming a hypothesis an important step in the scientific method? Choose the best answer. Stating a hypothesis before conducting experiments ensures that the method will follow an inductive process of reasoning. By stating a formal hypothesis, a scientist can adequately design the best control conditions for designing experiments intended to falsify the hypothesis. When a formal hypothesis is tested once, it will be accepted as theory no matter what the results of subsequent experiments suggest.arrow_forward
- Which of the following is the correct order of steps of the scientific method? make observations, draw conclusions, create a hypothesis, test the hypothesis and collect data make observations, create a hypothesis, test the hypothesis, collect and analyze the data and draw conclusions create the hypothesis, make observations, test the hypothesis, collect and analyze the data and draw a conclusion make observations, test the hypothesis, create a hypothesis, collect and analyze the data and draw the conclusion create a hypothesis, make observations, collect and analyze the data, test the hy[othesis and draw conclusions - True or false. DNA Is insoluble in ice-cold ethanol or comes out solutions - define the term absorption spectrumarrow_forwardThe scientific method is a set of techniques for gaining new knowledge about the world in which we live. However, these techniques come with a rigid set of rules that are sometimes misinterpreted. Identify the statements that accurately describe science and the scientific method. Scientific hypotheses are educated guesses that can be disproven by experiments. Science is a process that is limited to answering questions about the natural world. Science is a process that is not limited by the types of questions it can answer. Scientific findings can always be relied upon as fact. Scientific findings are based on carefully tested and scrutinized observations. Scientific theories are concrete and indisputable explanations for natural phenomena.arrow_forwardWhen presenting a slide that shows experimental data you should explain the experiment that gave that data you should discuss the hypothesis being tested O you should discuss whether or not the results support or refute the hypothesis all of the abovearrow_forward
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