14. What is the difference in competition within a community based on likenesses and one based on diversities?
15. Compare the ecological concept "reaction" with the sociological conception "control."
16. What do you understand by the expression "the reaction of a community is usually more than the sum of the reaction of the component species and individuals"? Explain.
17. How far can the terms migration, ecesis, and competition, as used by Clements in his analysis of the invasion of one plant community by another, be used in the analysis of the process by which immigrants "invade" this country, i.e., migrate, settle, and are assimilated, "Americanized"?
18. What are the social forces involved in (a) internal, (b) foreign, migrations?
19. What do you understand by the term segregation? To what extent are the social forces making for segregation (a) economic, (b) sentimental? Illustrate.
20. In what ways has immigration to the United States resulted in segregation?
21. Does the segregation of the immigrant in our American cities make for or against (a) competition, (b) conflict, (c) social control, (d) accommodation, and (e) assimilation?
22. What are the factors producing internal migration in the United States?
23. In what sense is the drift to the cities a result of competition?