Estrella Mountain Community College
Estrella Mountain College: Classification
Discusses many aspects of information pertainingto organism classification. Provides links to other areas in biology as well.
McGraw Hill
Mc Graw Hill Higher Education: Classification
This site from McGraw-Hill Higher Education provides links to key terms, lecture notes, and readings on classification, as well as questions from Raven and Johnson's textbook reading on classification.
University of California
Ucmp: Phylogenetic Systematics: Evolutionary Trees
This page provides an introduction to phylogenetic systematics, the way that biologists reconstruct the pattern of events that have led to the distribution and diversity of life. A tutorial "journey" into the Introduction, Methodology,...