40 BIOLOGY AND HUMAN LIFE 



7. Contrast the habits of the bee with those of the butterfly. 



8. What is there about the structure of these insects that protects 

 them from possible enemies ? 



9. What do these animals do to protect themselves against enemies ? 



10. What are the important distinctions between the development of 

 an animal and its growth ? 



IL How can we show that a human being develops as well as grows ? 



12. What division of labor is there among the members of a family ? 



13. What kinds of division of labor are there among the workers in 

 an office ? a store ? a factory? 



14. What determines the division of labor among the different states 

 or natural regions of a country ? 



15. How does division of labor affect the independence of any given 

 individual ? 



16. What are the advantages of division of labor within a profession? 



17. In what other ways can these advantages be obtained? 



18. What are the disadvantages of extreme division of labor ? 



19. How can these disadvantages be overcome ? 



20. In what ways do human beings depend upon other species of 

 animals or upon plants ? 



21. In what ways do other living things depend upon us ? 



REFERENCE READINGS 



Farmers^ Bulletin yoS, The Leopard Moth, a Shade-Tree Insect. 

 Fanners^ Bulletin yoi, The Bagworm, a Shade-Tree Insect. 

 Farmers^ Bulletin 447, Bees. 

 United States Department of Agriculture. Bulletin 1222, Growth and 



Feeding of Honeybee Larvae. 

 Maeterlinck, Maurice. The Life of the Bee (extract in C. H. Ward*s 



"Exploring Nature," pp. 88-95). 

 Latter, O. H. Bees and Wasps. 

 FoLSOM. J. W. Entomology, chap, iii, Development ; sect. 2, External 



Metamorphosis (pp. 126-148). 



