Plants : What They Are and What They Do (Paperback)

Preface; 1. Plants and animals compared; 2. Response of plants to stimuli; 3. The superiority of green plants to animals; 4. How a plant obtains energy; 5. Cells and tissues; 6. The green leaf; 7. The green leaf (continued): how a leaf utilizes radiant energy; 8. Roots and what they do; 9. Our debt to bacteria: the world's supply of nitrogen; 10. Seeds and seedlings; 11. Early stages in the evolution of plants; 12. Later stages in evolution; Books suggested for further reading; Glossary; Index.