Campbell Biology
Second Canadian Edition
Chapter 2
The Chemical Context of Life
Copyright © 2018 Pearson Canada Inc. 2-1
,Key Concepts
• Matter consists of chemical elements in pure form and in
combinations called compounds
• An element's properties depend on the structure of its
atoms
• The formation and function of molecules depend on
chemical bonding between atoms
• Chemical reactions make and break chemical bonds
Copyright © 2018 Pearson Canada Inc. 2-2
,Overview: A Chemical Connection to
Biology (1 of 2)
• Biology is the study of life, and a multidisciplinary science
• Living organisms and their environments are subject to
basic laws of physics and chemistry
• Chapter focus on the relevance of chemistry to the study of
life
Copyright © 2018 Pearson Canada Inc. 2-3
, Overview: A Chemical Connection to
Biology (2 of 2)
• An example of the importance of chemistry in biology, is
the use of formic acid by wood ants to defend against
potential predators
Figure 2.1
Copyright © 2018 Pearson Canada Inc. 2-4
Second Canadian Edition
Chapter 2
The Chemical Context of Life
Copyright © 2018 Pearson Canada Inc. 2-1
,Key Concepts
• Matter consists of chemical elements in pure form and in
combinations called compounds
• An element's properties depend on the structure of its
atoms
• The formation and function of molecules depend on
chemical bonding between atoms
• Chemical reactions make and break chemical bonds
Copyright © 2018 Pearson Canada Inc. 2-2
,Overview: A Chemical Connection to
Biology (1 of 2)
• Biology is the study of life, and a multidisciplinary science
• Living organisms and their environments are subject to
basic laws of physics and chemistry
• Chapter focus on the relevance of chemistry to the study of
life
Copyright © 2018 Pearson Canada Inc. 2-3
, Overview: A Chemical Connection to
Biology (2 of 2)
• An example of the importance of chemistry in biology, is
the use of formic acid by wood ants to defend against
potential predators
Figure 2.1
Copyright © 2018 Pearson Canada Inc. 2-4
