About Jan Sapp Books by Jan Sapp Coexistence The Ecology and Evolution of Tropical Biodiversity by (author) Jan Sapp The New Foundations of Evolution On the Tree of Life by (author) Jan Sapp Microbial Phylogeny and Evolution Concepts and Controversies edited by Jan Sapp What Is Natural? Coral Reef Crisis by (author) Jan Sapp Genesis The Evolution of Biology by (author) Jan Sapp Evolution by Association A History of Symbiosis by (author) Jan Sapp