Dr. Farabee's Online Biology Book:Well organized and illustrated general biology text from Estrella Mountain Community College, Phoenix, Arizona.
The Why Files:Well-researched, educational descriptions of the actual science behind current news stories. From the University of Wisconsin, supported by the National Institute for Science Education of the NSF.
Action Bioscience: Examines the condition of bioscience literacy through current issues on environment, biodiversity, genomics, biotechnology, evolution, and biology. Peer-reviewed articles are accepted from scientists and educators.
Amazing Biology Facts and Trivia: Great fun facts and trivia relating to biology.
Ben BiosciEdNet: Extensive digital library of biological resources for biology teaching and research at all educational levels. Requires a free registration.
BioAnim: Educational site and software for biology and medicine in high and secondary schools. Provides animations of biological processes (in VRML format).
BioInteractive: Interactive virtual labs, animations, and web videos through which one can learn about various aspects of biology. Also offers a virtual museum.
Digital Anatomist Interactive Atlases: Interactive Atlases show views of organs reconstructed from slices.
Incubation and Embrology: A hands-on project that teaches science and respect for life.
Inner Learning: Welcome to human anatomy on-line, a place for fun, interactive and educational views of the human body.
Jones & Bartlett Virtual Text: Online biology textbooks in genetics, molecular and cellular biology.
Life: The science and issues behind modern biological research.
NBII Educational Resources: Links to biological resources and information of interest to teachers, students, and others categorized by educational level from K through college - from the National Biological Information Infrastructure.
Online Biology Textbook: Excellent introductory biology text adapted from print version by Dr. John W. Kimball, retired from Harvard University.
The Biology Project: Excellent tutorials and problem sets for learning Biochemistry, Cell Biology, Developmental Biology, Human Biology, Molecular Biology, Mendelian Genetics, and Immunology from The University of Arizona.
The MAD Scientist Network: Ask-A-Scientist, fun educational activities, and information resources - from Washington Univ.-St. Louis.
The MIT Biology Hypertextbook: Comprehensive, online, general biology textbook supported by multimedia materials, interactive practice problems, and a searchable index-from the Experimental Study Group at MIT.