Access Excellence: an excellent site for biology resources sponsored by Genentech. Search for lab activities, lesson plans, news events, mysteries.
Science Animations: great animations created by a science teacher.
Science Resources: a searchable site with clip art, exams, notes, and numerous other resources for lots of science topics.
Biology Cartoons: interesting little illustrations of various biological processes.
Georgia Department of Education
The Science Page: from Web Sites and Resources for Teachers.
Women in Science: lots of information for teachers and students, including biographies of women who have contributed to science.
The Aquaria: tons of information about setting up fish tanks.
Saltwater tanks: FAQ about setting up saltwater tanks.
Freshwater tanks: FAQ about setting up freshwater tanks.
Aquatics Unlimited: numerous articles about various topics in aquarium setup and management.
A.P. Biology: a resource for Advanced Placement Biology teachers from University of Georgia. It has past essays and standards as well as information about A.P. Biology.
A.P. Biology: the College Board's site.
Bucko's A.P. Biology page: a plethora of resources for ap biology teachers (and students) created by a high school teacher.
Chris Halloran's A.P. Biology: another excellent source from a high school teacher.