© 2014 Shmoop University, Inc. All rights reserved.


1 Ridley, Mark. Evolution. Blackwell Scientific Publications, Oxford, 1993.
2 Coyne, Jerry A., H. Allen Orr. Speciation. Sinauer Associates, 2004.
3 Schilthuizen, Menno. Frogs Flies & Dandelions. Oxford University Press MD, 2002.
4 Coyne, Jerry A. Why Evolution is True. Viking Adult, 2009.
5 Zimmer, Carl. Evolution: the Triumph of an Idea. Harper Perennial, 2006.
6 Peterson, A. Townsend, Adolfo G. Navarro-Sigüenza. Alternate Species Concepts as Bases for Determining Priority Conservation Areas Conservation Biology. Vol. 13, No. 2 (Apr., 1999), pp. 427-431.

We’re adding new materials and resources all the time.

Sign up for our newsletter to stay up to date.

An informed Shmooper is the greatest weapon against pop quizzees.

back to top