THE SCOPE OF ZOOLOGY 17 



7. How does a theory differ from a hypothesis; a fact? 



8. Formulate some zoological problem and tell how you would go about solving 

 it. (Do not choose one mentioned in this chapter.) 



9. Why are controlled experiments so important in scientific research? 



10. Name some personal problem which might face a college student of today 

 and show how the scientific attitude could be of value in solving this problem. 



11. Why are negative findings so important in scientific research? 



12. Why do we say that scientific research aimed solely at practical ends is 

 the most impractical scientific research ? 



13. How does the growth of nonliving things differ from the growth of living 

 things ? 



14. How does the response to environment of nonliving matter differ from 

 the response of living matter ? 



15. Name three short-term and three long-term responses to environment of 

 animals not mentioned in this chapter. 



16. Give an example of adaptation to environment of some species of animal and 

 tell how such adaptation might have come about. 



17. What is the major difference between plants and animals? 



18. Distinguish between the three subdivisions of morphology. 



19. Give the phase of zoology that would be primarily involved in the following 

 studies : a. Nesting habits of flamingos, b. Inheritance of eye color in man. c. An- 

 cestry of modern horses through fossils, d. The development of a chicken within the 

 egg. e. The cause of blood clotting, f. The distribution of rattlesnakes in the United 

 States, g. The structure of the human kidney. 



20. After your study of this chapter do you feel that you have a fair insight 

 into the nature of the subject of zoology? If not, list the topics discussed which 

 are still not clear in your mind or topics which you think should have been included 

 but were not. 



