Animalearn
Dissection alternatives and humane educational materials. Offers frequently-asked questions about animals in education, myths about dissection, and links.
BioMedia Associates
Microscopy, closeups, dissections, animations, videos and multimedia of the living world. Materials are for classroom use by students and teachers. Some products are advertised.
Course World: Biology
A research tool for high school teachers and students. Includes lesson plans, links to other sites, tests. Hosted in Canada.
Gondar Design Biology
On-line lessons written by a biology teacher (Nigel Purchon) covering many topics. Site is most useful for UK students, but of use to others also.
Higher Order Thinking in Teaching Science
AP biology and laboratories, with emphasis on genetics, evolutionary biochemistry, animal physiology, and unique Amphioxus model system.
PBS Science and Technology TeacherSource
Lesson plans, online activities, classroom resources, and professional development projects.
Science & Mathematics Initiative for Learning Enhancement (SMILE) Program Biology Index
About 200 K-12 lesson plans for Anatomy & Physiology, Zoology, Botany, Microbiology, Genetics, Environmental Studies & Ecology, Biochemistry, and General Biology.
Sun Safety For Kids
Guide for developing school or camp sun safety programs. Includes legislation, links, and articles about aspects of sun safety.
Texas State Aquarium Teacher Resource Site
Download a marine biology lesson plan, a classroom activity or have your students play an educational game
Under the Sea
Marine biology curriculum for elementary students, including classroom activities, online games and puzzles.