QUESTIONS AND REFERENCES 23 



Problem Questions 



1. How does a living plant or animal differ from a stone? 



2. How are tropisms of value to plants ? To animals ? Give specific ex- 

 amples. 



3. How might animals do without light? Could they do without other 

 factors of the environment ? 



4. How might movements help in the life of a plant or animal ? 



5. Give some examples of fitness or adaptation in a bean plant. In a tree. 

 In a dog or cat. 



6. What do we mean by zonal distribution of plants and animals? Look 

 this up in one of the books of reference. 



7. Under what unusual conditions do the Eskimos of the far North live ? 

 How do they adapt themselves to their environment? 



8. Give instances of man's modification of his environment in your town. 

 In your home. 



Problem and Project References 



Hunter, Laboratory Problems in Civic Biology. American Book Company. 

 Allen, Civics and Health. Ginn and Company. 



Hough and Sedgwick, Hygiene and Sanitation. Ginn and Company. 

 Huntington and Gushing, Principles of Human Geography. John Wiley and 



Sons. 

 Jordan and Kellogg, Animal Life. D. Appleton and Company. 

 Loeb, Forced Movements, Tropisms and Animal Conduct. J. B. Lippincott 



Company. 

 Transeau, General Botany. World Book Company. 



