• AmphibiaWeb
• Gray's Anatomy of the Human Body
• BIODIDAC
  Resources for Biology Teaching
• BioChemistry for Kids
• Bioscience Links
• Bugs in the News
• Bugscope
  Resource to classrooms so that they may remotely operate a scanning electron microscope to image "bugs" at high magnification.
• Education Index's Biology Resources
• eNature
• Endangered Animals of the World
  A project designed to help students gain skills in researching, collaborating and telecommunicating while learning about endangered animals.
• Frog Dissection
• Heart Online
• Human Anatomy
• Human Evolution
• Humans, Plants, and Animals
• Interactive Knee
• JungleWalk
  More than 10000 audio and video clips and website link to different animal species
• Kimball's Biology Pages

• MicrobeLibrary

• Museum of Zoology
• Myrmecology - The Science of Ants
• NABT Biology Links for Educators
• NeuroEd
• New England Aquarium
• San Diego Zoo
• Science on the Web
• Stalking the Mysterious Microbe
• The Biology Project
• Turtle Trax
• Visible Human
• Visible Human Cross-sections
• Visible Human Project
• WhaleNET 
• Woods Hole Oceanographic Institute

Professional Associations

• National Association of Biology Teachers