Biology
12th Edition
ISBN: 9780078024269
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1, Problem 8A
Experiments examine the contribution of the to the _____ observation.
a. responding variable
b. control group
c. standard deviation
d. experimental variable
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The purpose of the constant is to:
a. allow for adjustment of the control
b. eliminate other potential factors/variables in the experiment
c. allow for the dependent variable to show the necessary outcome
d. help prove the hypothesis correct
A controlled experiment ________.
A.
includes one group for which the scientist controls all variables
B.
is repeated many times to ensure that the results are accurate
C.
includes at least two groups, one of which does not receive the experimental treatment
D.
includes at least two groups, one differing from the other by two or more variables
The _______ is manipulated by scientists over the course of an experiment.
A.)dependent • variable
B.)data
C.)independent variable
Chapter 1 Solutions
Biology
Ch. 1.1 - Prob. 1CYPCh. 1.1 - List the common characteristics of all living...Ch. 1.1 - Explain how adaptations relate to evolutionary...Ch. 1.2 - Explain how natural selection results in new...Ch. 1.2 - List the levels of taxonomic classification from...Ch. 1.2 - Describe the differences that might be used to...Ch. 1.3 - Identify the role of the experimental variable in...Ch. 1.3 - Distinguish between the roles of the test group...Ch. 1.3 - Prob. 3CYPCh. 1.4 - Explain how a new technology differs from a...
Ch. 1.4 - Prob. 2CYPCh. 1.4 - Summarize how emerging diseases and climate change...Ch. 1 - Prob. 1ACh. 1 - The level of oganization that includes cells of...Ch. 1 - The process that involves passing on genetc...Ch. 1 - Which of the following includes prokaryotic...Ch. 1 - The most inclusive level of classification is a....Ch. 1 - The process by which evolution occursis called a....Ch. 1 - Prob. 7ACh. 1 - Experiments examine the contribution of the to the...Ch. 1 - Prob. 9ACh. 1 - Prob. 10ACh. 1 - Which of the foIlowing represents the permanent...Ch. 1 - H5N1 and SARS are examples of a extinct species....Ch. 1 - An investigator spills dye on a culture plate and...Ch. 1 - You want to grow large tomatoes, and you notice...Ch. 1 - A scientist wishes to test her hypothesis that a...
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- A control group is __________. a. a set of individuals that have a certain characteristics or receive a certain treatment b. the standard against which an experimental group is compared c. the experiment that gives conclusive resultsarrow_forwardWhy the results of the Swan-neck flask experiment were reliable ?: Select one: a. Because it maintained no controls at all b. Because proper controls were maintained and only one variable changed at a time c. Because many controls were maintained d. Because it was repeatedly done by several scientists e. Because it tested all variables at the same timearrow_forwardWhich of the following is used when testing a prediction?a. observationsb. inductive reasoningc. controlled experimentsd. both observations and controlled experimentsarrow_forward
- A control group is_______ . a. a set of individuals that have a certain characteristic or receive a certain treatment b. the standard against which an experimental group is compared c. the experiment that gives conclusive resultsarrow_forwardWhen conducting quantitative research, the researcher col-lects information to support a hypothesis. This information would be identified as:a. The subjectb. Variablesc. Datad. The instrumentarrow_forwardA controlled experiment is one that(A) proceeds slowly enough that a scientist can make carefulrecords of the results.(B) tests experimental and control groups in parallel.(C) is repeated many times to make sure the results are accurate.(D) keeps all variables constant.arrow_forward
- a) Does the data support your hypothesis? b) How could you improve this experiment? Consider the other factors you could have / should have controlled in this experiment.arrow_forwardWhy is it important to have control experiments in addition to the tests being conducted? a.To determine if there was unwanted contamination. b.To determine if experiment yielded an expected result. c.Neither A or B are correct. d.Both A and B are correct.arrow_forwardExplain what Avery’s experiment showed in 1944. Briefly describe the idea behind the experimental set up. Mention the step by step findings and the conclusions.arrow_forward
- Please explain What are biological concepts of this experiment, limitations and improvements…Experimental techniques & the effect of the change of variables on the resultsarrow_forwardWhich of the following is not mentioned by Marder (2011) as a category of experimental research? A. Developing a mathematical model of a biology process B. Measuring a value C. Measuring a relationship between variables D. Using computers for analysis E. Improving and industrial productarrow_forward“Correlation does not prove causation” means that (a) if two variables are correlated, one is likely to have caused the other. (b) if changes in one variable cause changes in another, the variables are not correlated. (c) only experimental research can answer questions about the natural world. (d) although two variables are interrelated, changes in one do not necessarily cause changes in the other. (e) none of the abovearrow_forward
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