Made From Trees
Offline ResourcesAudesirk, T. & Audesirk, G. (1999). Biology: Life on Earth (5th ed.). Upper Saddle River, NJ: Prentice Hall.
Futuyma, D.J. (2005). Evolution. Sunderland, MA: Sinauer Associates, Inc.
Hall, B.K. (2003). Descent with modification: the unity underlying homology and homoplasy as seen through an analysis of development and evolution. Biological Reviews 78, 409-433.