American Museum of Natural History
American Museum of Natural History: Sharks and Rays: Myth and Reality
Learn about the reproductive system of the dogfish shark through a video gallery. Also read about the myth that sharks must constantly swim or they will die. PDF transcripts are available for each video.
PBS
Pbs: Dissection101: Dissection Resources for Classroom Use
A collection of lesson plans, quizzes, and educational videos developed for online dissections. The site hopes to improve the learning experience for students, and increase the quality of the dissection experience. Organisms included are...