Bio 1060 Chapter 3 Water and the Fitness of the Environment

H2OH2OH2OH2O Describe the properties of water emerging from the bonding pattern within the molecule Define each property Give examples of each property’s effects on organisms

Cohesion etc. Define cohesion Define adhesion Define surface tension Compare and contrast each of these Describe how each of these effects the world of life

Specific Heat Define specific heat Discuss why water has a high specific heat Describe the effect of water’s high specific heat in the environment and organisms

Vaporization Define heat of vaporization Describe its influence on the environment and organisms

Ice Describe how water can insulate ponds, lakes, and oceans Explain how this phenomenon occurs

“The Solvent of Life” Describe why water is called “the solvent of life” Define solution, solvent, and solute Explain their impact how non-water molecules interact with water using those terms and any other necessary terms Evolution Connection p. 57

Molecular Reactions to Water Define hydrophilic and hydrophobic Compare and contrast the behavior of hydrophilic and hydrophobic molecules Describe the usefulness and uses of each of these types of molecules on organisms

Dissociation of Water Describe the dissociation of water in words and as a chemical equation Name the components of the reaction Discuss the effects on a solution using correct terminology

Acids and Bases Define acid and base Describe how each of these substances dissociate Scientific Inquiry p. 57

pH Define pH Discuss the meaning of the pH scale Describe the normal pH of blood and that of other body fluids or chemicals associated with cells

Buffer Systems Define buffer Describe the components of a buffer solution Describe the actions of the carbonic acid / bicarbonate buffer system

Science, Technology, and Society p. 57