University of California
University of California Museum of Paleontology: Evolution 101: Speciation
In this tutorial students can learn the definition of species, how new species evolve, and the processes that can cause new species to arise. At the end of the tutorial students can take a quiz to evaluate what they learned about...
CK-12 Foundation
Ck 12: Biology: Biodiversity
[Free Registration/Login may be required to access all resource tools.] Describes the meaning of biodiversity. Includes videos and review questions.