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The Biology Project (University of AZ)
An online resource for learning biology.
This site explores the artic tundra, the deciduous forest, the desert, the taiga, the tropical rainforest and the tropical savannah.
Provides free access to peer-reviewed original research papers in the biomedical field.
Sponsored by the American Society of Microbiology, MicrobeWorld includes articles, videos & podcasts to improve awareness and understanding of microbiological issues.
National Center for Biotechnology Information
Covers resources in biology and biotechnology, including research articles and online biomedical textbooks.
This database provides standardized information about the vascular plants, osses, liverworts, hornworts, and lichens of the U.S. and its territories.
Public Library of Science
PLoS provides free access to scholarly, peer-reviewed full-text articles.
World Library of Science
A free, online website providing high quality resources for science education.