Although the site is largely oriented toward animals, the library contains relevant data on plants as well. A site with many activities and an online quiz, there are weekly lessons. Shockwave demonstrations of techniques for producing GM crops are linked to this site and are impressive in quality. The site's authors are plant genetics researchers and teachers at Colorado State University. Entries can be searched by phrase and browsed by letter, with about 2000 terms provided.
Extra information is provided by hyperlinks at the end of each definition.
The interrelationship of these terms is a nice model for online glossaries. The book upon which this is based is for sale on the site also. This site offers insight into how many domains there are, how many web servers, the leading software, the number of domains that have been activated and have content vs. those that do not have browsable content. This site summarizes data that is collected by robots on the web. An interesting fact site with a useful Internet glossary and uniquely complete data.