1  Evolution, the Themes of Biology, and Scientific Inquiry

UNIT 1  THE CHEMISTRY OF LIFE 

2  The Chemical Context of Life

A Chemical Connection to Biology 

3  Water and Life

The Molecule That Supports All of Life

Carbon: The Backbone of Life 

5  The Structure and Function of Large Biological Molecules

The Molecules of Life

UNIT 2  THE CELL 

6  A Tour of the Cell

The Fundamental Units of Life

7  Membrane Structure and Function

Life at the Edge 

8  An Introduction to Metabolism

The Energy of Life

9  Cellular Respiration and Fermentation

Life Is Work

10  Photosynthesis

The Process That Feeds the Biosphere 

11  Cell Communication

Cellular Messaging 

12  The Cell Cycle

The Key Roles of Cell Division

UNIT 3  GENETICS 

13  Meiosis and Sexual Life Cycles

Variations on a Theme

14  Mendel and the Gene Idea

Drawing from the Deck of Genes

15 The Chromosomal Basis of Inheritance

Locating Genes Along Chromosomes

16  The Molecular Basis of Inheritance

Life’s Operating Instructions

17  Gene Expression: From Gene to Protein

The Flow of Genetic Information

18  Regulation of Gene Expression

Beauty in the Eye of the Beholder

19  Viruses

A Borrowed Life 

20  DNA Tools and Biotechnology

The DNA Toolbox 

21  Genomes and Their Evolution

Reading the Leaves from the Tree of Life

UNIT 4  MECHANISMS OF EVOLUTION 

22  Descent with Modification: A Darwinian View of Life

Endless Forms Most Beautiful

23  The Evolution of Populations

The Smallest Unit of Evolution

24  The Origin of Species

That “Mystery of Mysteries” 

25  The History of Life on Earth

A Surprise in the Desert  

UNIT 5  THE EVOLUTIONARY HISTORY OF BIOLOGICAL DIVERSITY 

26  Phylogeny and the Tree of Life

Investigating the Tree of Life

27  Bacteria and Archaea

Masters of Adaptation

28  Protists

Living Small

29  Plant Diversity I: How Plants Colonized Land

The Greening of Earth

30  Plant Diversity II: The Evolution of Seed Plants

Transforming the World

31  Fungi

32  An Overview of Animal Diversity

33  An Introduction to Invertebrates

34  The Origin and Evolution of Vertebrates

UNIT 6  PLANT FORM AND FUNCTION 

35  Vascular Plant Structure, Growth, and Development 

36  Resource Acquisition and Transport in Vascular Plants

37  Soil and Plant Nutrition

38  Angiosperm Reproduction and Biotechnology

39  Plant Responses to Internal and External Signals

UNIT 7  ANIMAL FORM AND FUNCTION 

40  Basic Principles of Animal Form and Function

41  Animal Nutrition

42  Circulation and Gas Exchange

43  The Immune System

44  Osmoregulation and Excretion 

45  Hormones and the Endocrine System

46  Animal Reproduction

47  Animal Development

48  Neurons, Synapses, and Signaling

49  Nervous Systems

50  Sensory and Motor Mechanisms

51  Animal Behavior 

UNIT 8  ECOLOGY 

52  An Introduction to Ecology and the Biosphere

53  Population Ecology

54  Community Ecology

55  Ecosystems and Restoration Ecology

56  Conservation Biology and Global Change