| chapter | page |
|---|
| Foreword to Teachers | [7] |
| I. | Some Reasons for the Study ofBiology | [15] |
| II. | The Environment of Plants andAnimals | [19] |
| III. | The Interrelations of Plants andAnimals | [28] |
| IV. | The Functions and Composition ofLiving Things | [47] |
| V. | Plant Growth and Nutrition—TheCauses of Growth | [58] |
| VI. | The Organs of Nutrition inPlants—The Soil and its Relation to Roots | [71] |
| VII. | Plant Growth andNutrition—Plants make Food | [84] |
| VIII. | Plant Growth and Nutrition—TheCirculation and Final Uses of Food by Plants | [97] |
| IX. | Our Forests, their Uses and theNecessity of their Protection | [105] |
| X. | The Economic Relation of Green Plantsto Man | [117] |
| XI. | Plants without Chlorophyll in theirRelation to Man | [130] |
| XII. | The Relations of Plants toAnimals | [159] |
| XIII. | Single-Celled Animals considered asOrganisms | [166] |
| XIV. | Division of Labor, the Various Formsof Plants and Animals | [173] |
| XV. | The Economic Importance ofAnimals | [197] |
| XVI. | An Introductory Study ofVertebrates | [232] |
| XVII. | Heredity, Variation, Plant and AnimalBreeding | [249] |
| XVIII. | The Human Machine and itsNeeds | [266] |
| XIX. | Foods and Dietaries | [272] |
| XX. | Digestion and Absorption | [296] |
| XXI. | The Blood and itsCirculation | [313] |
| XXII. | Respiration and Excretion | [329] |
| XXIII. | Body Control and HabitFormation | [348] |
| XXIV. | Man's Improvement of hisEnvironment | [373] |
| XXV. | Some Great Names inBiology | [398] |
| APPENDIX | [407] |
| Suggested Course with Time Allotmentand Sequence of Topics for Course beginning in Fall | [407] |
| Suggested Syllabus for Course inBiology beginning in February and ending the Next January | [411] |
| Hygiene Outline | [415] |
| Weights, Measures, andTemperatures | [417] |
| Suggestions for LaboratoryEquipment | [418] |
| INDEX | [419] |