What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 1, Problem 8MC
Summary Introduction
Introduction:
In a study some variables are not controlled by other variable and are therefore called independent.
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Consider the variables: A, B, C, D, E, F, G, and H.
A and B, B and C, C and D are directly related while D and E, E and F, F and G, and G and H are inversely related. If an initial increase occurs in the value of A, the value of H will
a. decrease
b. increase
c. stay the same
d. cannot predict from the given information
Variables are used not only in research and studies but are also often used in everyday life. Knowing the difference in variables can help you make life decisions. There are several different types of variables but the two main ones are independent variables and dependent variables.
why are independent variables so important?
In an experiment design to test the effects of outboard motor oil on the growth of algae, identify the control, the independent variable, and the dependent variables. Construct a simple hypothesis.
Chapter 1 Solutions
What Is Life? A Guide to Biology with Physiology
Ch. 1 - Prob. 1SACh. 1 - Prob. 2SACh. 1 - Prob. 3SACh. 1 - Prob. 4SACh. 1 - Prob. 5SACh. 1 - Prob. 6SACh. 1 - Prob. 7SACh. 1 - Prob. 8SACh. 1 - Prob. 9SACh. 1 - Prob. 10SA
Ch. 1 - Prob. 11SACh. 1 - Prob. 12SACh. 1 - Prob. 13SACh. 1 - Prob. 14SACh. 1 - Prob. 15SACh. 1 - Prob. 16SACh. 1 - Prob. 17SACh. 1 - Prob. 18SACh. 1 - Prob. 1MCCh. 1 - Prob. 2MCCh. 1 - Prob. 3MCCh. 1 - Prob. 4MCCh. 1 - Prob. 5MCCh. 1 - Prob. 6MCCh. 1 - Prob. 7MCCh. 1 - Prob. 8MCCh. 1 - Prob. 9MCCh. 1 - Prob. 10MCCh. 1 - Prob. 11MC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Fill in the blank only with either "good" or "true" in the following sentence: If a model has very few parameters, is elegant, and is easy to interpret, it may be too_______to be______. On the other hand, if a model has many parameters and perfectly describes the world, it may be too_____to be ______.arrow_forwardWhat variable is the one that you can manipulate or change? It is sometimes called experimental variablearrow_forwardIn a controlled experiment all of the variables are kept the same in order to contsistent. there is only one variable there is change for these kind of studies and it is known as variablearrow_forward
- 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 correctarrow_forwardA new sunscreen claims to be better at preventing sunburn then any existing brand on the market. To test this claim, students rub the new sunscreen on one arm and another brand on their other arm and stand in the sun for 4 hours. Write a hypothesis for this test. What is the independent variable? What is the dependent variable? List two (or more) ways to improve this experimental design.arrow_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_forward
- From the diagram: 1. Is A responding variable? 2. Is B manipulated variable? 3. Is C controlled variable OR constant? * This diagram all I'm given for this question; there is no clarifications on what A,B,C are pointing to...arrow_forwardIn the context of the Chi-square analysis, the null hypothesis states that _________________________. the differences between the measured values and the predicted values are too large to allow us to attribute them to chance the differences between the measured values and the predicted values are not significant and can be attributed to chance the measured values are too small to allow a prediction to be made there should be no numerical difference between the measured and the predicted values None of the other answers are correct.arrow_forwardYou observe that every time your neighbor, who always wears a yellow hat, walks out his front door, he gets dive bombed by a crow. From this observation, what is a testable hypothesis? What is your prediction based on your hypothesis? Please design an experiment to test this hypothesis and prediction. You must identify the independent and dependent variables, as well as at least 2 control variables, and your experiment must contain an experimental group and a control grouparrow_forward
- Give an example, real or hypothetical, of an experiment in which a dependent variable is affected by an independent variable.arrow_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_forwardWhat is the difference between an independent and dependent variable. Provide an example of each from a hypothetical experiment.arrow_forward
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