BioMedia Associates http://eBioMedia.com
Microscopy, closeups, dissections, animations, videos and multimedia of the living world. Materials are for classroom use by students and teachers. Some products are advertised.
QEC - Science Education http://www.qeced.net
A diverse set of resources for science students and science educators dedicated to improving learning outcomes. Includes lesson plans for some areas of biology.
Laboratory Exercises - Biochemistry http://www-class.unl.edu/biochem/labs/
From the biochemistry department at the University of Nebraska. A semester of labs dealing with plant pigments. Suitable for undergraduate biology, chemistry of biochemistry classes. Includes both student lab assignments and instructor notes. HTML and PDF versions available.
AT&T Enrich Biology Lessons http://www.officeport.com/enrich/lessons/index.htm
These 85 Biology lessons were developed by public and Catholic High School biology teachers in the Chicago area. Lesson plans available in pdf format for biochemistry, cells, DNA and genetics, ecology, evolution, human biology, ethics, taxonomy, and tools.
Animalearn http://www.animalearn.org
Dissection alternatives and humane educational materials. Offers frequently-asked questions about animals in education, myths about dissection, and links.
Positively Aging http://teachhealthk-12.uthscsa.edu/
This curriculum includes lesson plans and activities for teaching at high school level. Many subject areas can be taught using aging as the central theme.