Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433769
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Question
Chapter 1, Problem 3TYU
Summary Introduction
Introduction:
An experiment is a scientific procedure done to check the validity of a hypothesis and gain knowledge.
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Students have asked these similar questions
The 'control group' is an essential component of an experiment. This is because
1. A control group allows one to determine if a particular result is due to the experimental variable.
2. No, it's not essential in experimentation. A control group is not always necessary it depends on the experiment.
3. A control group allows for multiple variables to be tested at the same time.
4. A control group is required for the development of a prediction.
A student transplants four plants and measures their heights. For the next
month, the student gives the plants different amounts of water. After one
month, the student measures the height of the plants again.
Height At
End (cm)
Amount of
Amount of
Height at
Start (cm)
Water Weekly Sunlight Daily
(L)
(hrs)
Plant 1
0.7
8.
Plant 2
0.1
8
Plant 3
0.5
8.
6.5
Plant 4
0.3
85
8
5555
I answered with a and c but keep getting told its the wrong answer.
Which of the following is not a component of effective experimental designs in the early stages of a scientific study?
Select one or more:
a. small sample sizes
b. experimental groups taking a placebo
c. double blind experiments
d. short duration
e. animal models
f. repetitive testing
Chapter 1 Solutions
Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
Ch. 1.1 - Starting with the molecular level in Figure 1.3,...Ch. 1.1 - Identify me theme or themes exemplified by (a) the...Ch. 1.1 - WHAT IF? For each theme discussed in this section...Ch. 1.2 - How is a mailing address analogous to biologys...Ch. 1.2 - Explain why editing is an appropriate metaphor for...Ch. 1.2 - DRAW IT Recent evidence indicates that fungi and...Ch. 1.3 - Contrast inductive reasoning with deductive...Ch. 1.3 - What qualitative observation led to the...Ch. 1.3 - Why is natural selection called a theory?Ch. 1.3 - How does science differ from technology?
Ch. 1 - All the organisms on your campus make up A. an...Ch. 1 - Which of the following best demonstrates the unity...Ch. 1 - Prob. 3TYUCh. 1 - Prob. 4TYUCh. 1 - Prob. 5TYUCh. 1 - DRAW IT With rough sketches, draw a biological...Ch. 1 - SCIENTIFIC INQUIRY Based on the results of the...Ch. 1 - Prob. 9TYUCh. 1 - FOCUS ON EVOLUTION In a short essay (100-150),...Ch. 1 - FOCUS ON INFORMATION A typical prokaryotic cell...Ch. 1 - SYNTHESI7F YOUR KNOWLEDGE Can you pick out the...
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- What are three important thing you will consider when settting up an experiment to investigate a phenomenon? Explain why?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_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
- Write a summary: Simply put, a lab report is a way to explain what you have done in an experiment. You describe theresults you obtained and then discuss what you learned. There are several ways to write a lab report,and depending on your class or your instructor, the requirements will vary. But this guide is to helpyou understand the reason why writing a lab report is an important part of the science process. It willalso introduce the basic structure of one type of write-up.In college, any science course you take will require you to do a lab report. But they are not just busywork. They actually serve a purpose. You see, a written report is one of the main ways to share information to other scientists. It communicates the major points of an investigation to others who are ina similar field. This is a systematic way to spread information!Lab reports have their own unique style and format, too. Though you may have been taught to writepoetically and with artistry, lab reports require…arrow_forwardwrite a summary Introduction: The introduction explains the purpose and objectives of the experiment. A goodway to approach this section is to attempt to provide the reader with background, discussing thewhat and why of the experiment. Beginning with a bit of prior knowledge on which the experimentis based, you then try to explain the purpose of the experiment and why it was conducted in a certainway. Often, background information and purpose of the experiment will be found in your sciencetext. The introduction is also the place where you state your hypothesis.Procedure (sometimes called Materials and Methods): This section is importantas it explains to the reader exactly what you used to perform the experiment and how you did it. Itis highly detailed so that another scientist could reproduce your experimental methods in order toobtain the same results and gain extra data. In the case of high school or even undergraduate collegelabs, most of these procedures will be well-known…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
- 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_forwardA properly designed experiment contains the following: positive and negative controls and experimental conditions. positive control and experimental conditions. positive and negative controls control and experimentalarrow_forwardWhen there is a lot of evidence to support and not sound evidence to disprove an explanation for a phenomenon in science, the idea is elevated to A. explanation B. experimentation C. theoryarrow_forward
- 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_forwardI checked all the boxes for my answer and apparently that's incorrect?arrow_forwardHow could you make a prediction in Science?arrow_forward
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