Bio 1060 Chapter 3

1
Bio 1060 Chapter 3

• Water
• and the Fitness of the Environment

2
H2O

• Describe the properties of water emerging from
  the bonding pattern within the molecule
• Define each property
• Give examples of each propertys effects on
  organisms

3
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

4
Specific Heat

• Define specific heat
• Discuss why water has a high specific heat
• Describe the effect of waters high specific heat
  in the environment and organisms

5
Vaporization

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

6
Ice

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

7
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

8
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

9
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

10
Acids and Bases

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

11
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

12
Buffer Systems

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

13
Science, Technology, and Society

• p. 57