1. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 7 Social Relations

2. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Greenhouse experimental design and results Figure 7.4 7-1 Source: Endler 1980

3. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Field experiment on predation effects Figure 7.5 7-2 Source: Endler 1980

4. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Greenhouse experiment with predation Figure 7.6 7-3 Source: Endler 1980

5. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Field experiment involving guppy transfer Figure 7.7 7-4 Source: Endler 1980

6. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Reproductive success by male guppies Figure 7.8 7-5 Source: Kodric-Brown 1993

7. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Influence of alternative nuptial offerings Figure 7.10 7-6 Source: Thornhill 1981

8. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Experimental test of influence of nuptial offerings Figure 7.11 7-7 Source: Thornhill 1981

9. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Relationship between size and nuptial offering Figure 7.12 7-8 Source: Thornhill 1981

10. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Relationship between size and mating success Figure 7.13 7-9 Source: Thornhill 1981

11. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Unequal mating success Figure 7.15 7-10 Source: Marshall 1990

12. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Wild radish pollen donor mating success Figure 7.16 7-11 Source: Marshall and Fuller 1994

13. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Competition between pollen from different donors Figure 7.17 7-12 Source: Marshall et al. 1996

14. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Influence of rainfall on reproduction Figure 7.19 7-13 Source: Ligon and Ligon 1989

15. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Territory quality and reproduction Figure 7.20 7-14 Source: Ligon and Ligon 1989

16. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Male lion rank and proportion of cubs sired Figure 7.22 7-15 Source: Packer et al. 1991

17. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Relatedness and size of male lion coalitions Figure 7.23 7-16 Source: Packer et al. 1991

18. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Castes and behaviors in ant colony Figure 7.26 7-17 Source: Wilson 1980

19. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Division of labor among castes Figure 7.27 7-18 Source: Wilson 1980, Jarvis 1981, and Sherman, Jarvis, and Braude 1992

20. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Similarity between ant workers and sisters versus offspring Figure 7.28 7-19