4. What are the different forms of the struggle for existence?
5. In what different meanings do you understand Darwin to use the term "the struggle for existence"? How many of these are applicable to human society?
6. What do you understand Darwin to mean when he says: "The structure of every organic being is related, in the most essential yet often hidden manner, to that of all the other organic beings with which it comes into competition for food or residence, or from which it has to escape, or on which it preys"? Does his principle, in your opinion, also apply to the structure of social groups?
7. What examples of competition occur to you in human or social relations? In what respects are they (a) alike, (b) different, from competition in plant communities?
8. To what extent is biological competition present in modern human society?
9. Does competition always lead to increased specialization and higher organization?
10. What evidences are there in society of the effect of competition upon specialization and organization?
11. What do you understand Crile to mean by the sentence: "In every case the fate of each creature seems to have been staked upon one mechanism"? What is this mechanism with man?
12. Do you think that Crile has given an adequate explanation of the evolution of mind?
13. Is there a difference in the character of the struggle for existence of animals and of man?