Vision Learning
Visionlearning: Biology: Charles Darwin I: The Origin of Species
Instructional module focusing on the early work of Charles Darwin. Discusses Darwin's key role in supporting and describing the theory of evolution as driven by natural selection. Site also includes an interactive practice quiz and links...
BiologyWise
Biology Wise: Charles Darwin: Introduction to the Theory of Evolution
The main concepts in Charles Darwin's theory of evolution are described, how natural selection works, and the ongoing criticism of evolution from Creationists.
Estrella Mountain Community College
Online Biology Book: Development of Evolutionary Theory
Using diagrams and descriptive illustrations, this college-level biology reference book discusses the development of evolutionary theory.