Unit I Plants and Society: The Botanical Connections to Our Lives
1 Plants in Our Lives 1
Unit II Introduction to Plant Life: Botanical Principles
2 The Plant Cell 19
3 The Plant Body 31
4 Plant Physiology 49
5 Plant Life Cycle: Flowers 72
6 Plant Life Cycle: Fruits and Seeds 88
7 Genetics 103
8 Plant Systematics and Evolution 123
9 Diversity of Plant Life 139
Unit III Plants as a Source of Food
10 Human Nutrition 156
11 Origins of Agriculture 177
12 The Grasses 187
13 Legumes 207
14 Starchy Staples 220
15 Feeding a Hungry World 235
Unit IV Commercial Products Derived from Plants
16 Stimulating Beverages 263
17 Herbs and Spices 279
18 Materials: Cloth, Wood, and Paper 298
Unit VI Algae and Fungi: The Impact of Algae and Fungi on Human Affairs
22 The Algae 385
23 Fungi in the Natural Environment 402
24 Beverages and Foods from Fungi 428
25 Fungi that Affect Human Health 449
Unit VII Plants and the Environment
26 Plant Ecology 465
Appendix A Metric System 491
Appendix B Classification of Plants 493
Glossary 495
Credits 505
Index 507
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