These are favorite sites of my brother-in-law George Badger who works at the Monterey Bay Aquarium Research Institute.
http://life.bio.sunysb.edu/marinebio/plankton.html
http://www.onr.navy.mil/focus/ocean
http://www.education.noaa.gov
http://www.vms.edu/bridge/biology.html

Teacher's Resources

http://www.kn.pacbell.com/wired/bluewebn/
Blue Web'n is an educator's website which is a searchable database of about 1000 outstanding websites.
http://www-sci.lib.uci.edu/SEP/life.html
Frank Potter's Science Gems - Life Science is a collective website of more than 2,000 WWW resources.
http://www.enc.org
This is a huge website that not only provides tons of information itself, but directs you to resources at hundreds of other useful websites.
Dogpile
            Dogpile is a program that searches all the search engines.

http://ecr.lausd.k12.ca.us/staff/dsodek/links.html



Macromolecules Tutorial Link
http://ecr.lausd.k12.ca.us/staff/dsodek/documents/Macromolecules_files/frame.htm


Mr. Beerstein's School Site

AP Environmental Sciences

Biology

School and State Standards

Biology links 3

Biology links 4