Example 13.1: Marine reserves
----Halpern, B. S. 2003. Ecological Applications 13: S117–S137.
Example 13.4: Sexual selection
----Arnqvist, G., M. Edvardsson, U. Friberg, and T. Nilsson. 2000. Proceedings of the National Academy of Sciences (USA) 97: 10460–10464.
Question 13.5: Lobsters
----Boles, L. C., and K. J. Lohmann. 2003. Nature 421: 60–63.
Question 13.6: Lions
----Packer, C., and A. E. Pusey. 1983. The American Naturalist 121: 716–728.
Question 13.8: Newts
----Geffeney, S., E. D. Brodie, Jr., P. C. Ruben, and E. D. Brodie III. 2002. Science 297: 1336–1339.
Question 13.13: Dioecy
----Heilbuth, J. C. 2000. The American Naturalist 156: 221–241.
Question 13.14: Mosquitoes
----Lounibos, L. P., N. Nishimura, J. Conn, and R. Lourenco-de-Oliveira. 1995. Memórias do Instituto Oswaldo Cruz 90: 769–774.
Question 13.16: Zebra finches
----McGraw, K. J., and D. R. Ardia. 2003. The American Naturalist 162: 704–712.
Question 13.18: Cichlids GnRH
----White, S. A., T. Nguyen, and R. D. Fernald. 2002. The Journal of Experimental Biology 205: 2567–2581.
Question 13.19: Vines
----Gianoli, E. 2004. Proceedings of the Royal Society of London, Series B, Biological Sciences 271: 2011–2015.
Question 13.20: Salmon color
----Craig, J. K., and C. Foote. 2001. Evolution 55: 380–391.
Question 13.22: Bird sex ratios
----West, S. A., and B. C. Sheldon. 2002. Science 295: 1695–1688.
Question 12.23: Clearcuts
----Laurance, W. F., et al. 1997. Science 278: 1117–1118.
Question 13.24: Zebra finch beaks
----Blount, J. B., et al. 2003. Science 300: 125–127.