Vision Learning
Visionlearning: Ideas in Science: Theories, Hypotheses, and Laws
Learning module looking at scientific explanations. Discussion covers theories and how they develop, some well-known theories and their origins, and how theories are revised and refined. Also, covers hypotheses and laws. The three...
Wikimedia
Wikipedia: Punctuated Equilibrium
This brief explanation of punctuated equilibrium includes paragraphs on the history of the theory and the controversy surrounding it.
American Institute of Biological Sciences
Action Bioscience: Species, Speciation and the Environment
The American Institute of Biological Sciences offers this article by Niles Eldredge, evolutionary theorist and curator at the American Museum of Natural History. Eldredge begins with Darwin's theories and summarizes subsequent thought,...
