1 Introduction: Biology Today 1
UNIT ONE Cells
2 Essential Chemistry for Biology 24
3 The Molecules of Life 39
4 A Tour of the Cell 58
5 Cellular Respiration: Harvesting Chemical Energy 83
6 Photosynthesis: Converting Light Energy to Chemical Energy 103
UNIT TWO Genetics
7 The Cellular Basis of Reproduction and Inheritance 120
8 Patterns of Inheritance 143
9 Molecular Biology of the Gene 172
10 The Control of Gene Expression 198
11 DNA Technology and the Human Genome 219
UNIT THREE Evolution
12 How Populations Evolve 250
13 How Biological Diversity Evolves 276
14 The Evolution of Microbial Life 303
15 Plants, Fungi, and the Move onto Land 326
16 The Evolution of Animals 350
UNIT FOUR Ecology
17 The Biosphere: Earths Diverse Environments 392
18 Population Ecology 418
19 Community Ecology 440
20 Ecosystems and Conservation Biology 459
Appendices
A Metric Conversion Table A-1
B Answers to Self-Quiz Questions B-1
C Photographic Credits C-1
D Illustration and Text Credits D-1
Glossary G-1
Index I-1