Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 3, Problem 8TYU
EVOLUTION CONNECTION This chapter explains how the emergent properties of water contribute to the suitability of the environment for life. Until fairly recently, scientists assumed that other physical requirements for life included a moderate range of temperature, pH, atmospheric pressure, and salinity, as well as low levels of toxic chemicals. That view has changed with the discovery of organisms known as extremophiles, which have been found flourishing in hot, acidic sulfur springs, around hydrothermal vents deep in the ocean, and in soils with high levels of toxic metals. Why would astrobiologists be interested in studying extremophiles? What does the existence of life in such extreme environments say about the possibility of life on other planets?
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EVOLUTION CONNECTION This chapter explains how theemergent properties of water contribute to the suitabilityof the environment for life. Until fairly recently, scientistsassumed that other physical requirements for life includeda moderate range of temperature, pH, atmospheric pressure,and salinity, as well as low levels of toxic chemicals. Thatview has changed with the discovery of organisms knownas extremophiles, which have been found flourishing inhot, acidic sulfur springs, around hydrothermal ventsdeep in the ocean, and in soils with high levels of toxicmetals. Why would astrobiologists be interested in studyingextremophiles? What does the existence of life in suchextreme environments say about the possibility of life onother planets?
VOLUTION CONNECTION This chapter explains how theemergent properties of water contribute to the suitabilityof the environment for life. Until fairly recently, scientistsassumed that other physical requirements for life includeda moderate range of temperature, pH, atmospheric pressure,and salinity, as well as low levels of toxic chemicals. Thatview has changed with the discovery of organisms knownas extremophiles, which have been found flourishing inhot, acidic sulfur springs, around hydrothermal ventsdeep in the ocean, and in soils with high levels of toxicmetals. Why would astrobiologists be interested in studyingextremophiles? What does the existence of life in suchextreme environments say about the possibility of life onother planets?
As water cools below 4°C, it expands and becomes less dense. Why is this beneficial to organisms living in a lake during a cold winter?
Chapter 3 Solutions
Campbell Biology (10th Edition)
Ch. 3.1 - MAKE CONNECTIONS What is electronegativity, and...Ch. 3.1 - Why is it unlikely that two neighboring water...Ch. 3.1 - WHAT IF? What would be the effect on the...Ch. 3.2 - Prob. 1CCCh. 3.2 - Prob. 2CCCh. 3.2 - WHAT IF? A water strider (an insect that can walk...Ch. 3.2 - WHAT IF? A water strider (an insect that can walk...Ch. 3.2 - Prob. 5CCCh. 3.3 - Compared with a basic Solution at pH 9, the same...Ch. 3.3 - HCl is a strong acid that dissociates in water:...
Ch. 3.3 - Prob. 3CCCh. 3.3 - Prob. 4CCCh. 3 - DRAW IT Label a hydrogen bond and a polar...Ch. 3 - Describe how different types of solutes dissolve...Ch. 3 - Prob. 3.3CRCh. 3 - Which of the following is a hydrophobic material?...Ch. 3 - Prob. 2TYUCh. 3 - Measurements show that the pH of a particuiar lake...Ch. 3 - What is the hydroxide ion concentration of the...Ch. 3 - A slice of pizza has 500 kcal. If we could burn...Ch. 3 - DRAW IT Draw the hydration shells that form around...Ch. 3 - In agricultural areas, farmers pay close attention...Ch. 3 - EVOLUTION CONNECTION This chapter explains how the...Ch. 3 - Prob. 9TYUCh. 3 - WRITE ABOUT A THEME: ORGANIZATION Several emergent...Ch. 3 - SYNTHESIZE YOUR KNOWLEDGE How do cats drink?...
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