Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892


Chapter 2, Problem 8TYK
Textbook Problem

Apply Evolutionary Thinking What properties of water made the evolution of life possible?

Expert Solution
Summary Introduction

To review:

The properties of water that made the evolution of life possible.


Water is an important part of every life form present on Earth. Its chemically compositon comprises two hydrogen atoms and one oxygen atom,. It covers about 70% of the Earth, present in the form of seas, oceans, and lakes. It is also present in the form of groundwater beneath the ground and in the form of glaciers and ice caps. It contributes to the world economy as it is used for various purposes like agriculture, fishing, trade, industries, medical use, and fire considerations.

Explanation of Solution

There are various properties of water that make it an essential participant in the evolution of life. These have been explained below:

1. High boiling point: Additional heat is required to break the hydrogen bonds due to the formation of lattice. This heat raises the boiling point. Water remains liquid at room temperature due to its high boiling point. The life forms were able to exist in water because water did not evaporate at the temperature prevailing on Earth.

2. High specific heat: It is the amount of heat that is required to raise the temperature of water via one degree Celsius (°C). The specific heat of water is very high because of which a large amount of heat is required to increase its temperature even by a small degree. Thus, the life forms were able to exist in a comfortable environment.

3. Cohesion: The cohesive forces exist in water molecules because of hydrogen bonds forming the lattice due to which the water molecules remain together...

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Chapter 2 Solutions

Biology: The Dynamic Science (MindTap Course List)
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