Johnson, G. B. (1995). Evolution and Natural Selection . In K. Harris, L. Jegerlehner, K. Timp, J. Leland (Eds.), The Living World (pp. 171-196) Dubuque, Iowa: Wm. C. Brown Publishers
Krempels, D. (1998). Go Figure Critical Thinking and Experimental Design in the Biology Laboratory. Unpublished, University of Miami Department of Biology.
Johnson, G. B. (1995). Evolution and Natural Selection. In K. Harris, L. Jegerlehner, K. Timp, J. Leland (Eds.), The Living World (pp. 567-561) Dubuque, Iowa: Wm. C. Brown Publishers
Krempels, D. (1998). Go Figure Critical Thinking and Experimental Design in the Biology Laboratory. Unpublished, University of Miami Department of Biology
Johnson, G. B. (1995). Evolution and Natural Selection . In K. Harris, L. Jegerlehner, K. Timp, J. Leland (Eds.), The Living World (pp. 171-196) Dubuque, Iowa: Wm. C. Brown Publishers