Find species information by their classification. Not all species have been added to this projects yet, but it is a useful and fun resource to review classifications.
"The Tree of Life Web Project is a collection of information about biodiversity compiled collaboratively by hundreds of expert and amateur contributors. Its goal is to contain a page with pictures, text, and other information for every species and for each group of organisms, living or extinct."
Run by the University of Arizona, this site has information at the introductory level for biology students. Many of the activities and quizzes, along with the general information, can be viewed in Spanish as well.
TED Talks
There are many TED Talks on topics related to biology. Use the links below to jump straight to a topic, search with the search bar for a specific subject, or browse other topics available such as Genetics, Oceans, Sustainability, and Nature.
TED is a nonprofit devoted to "Ideas Worth Spreading." It began in 1984 as a conference bringing together people from: Technology, Entertainment, Design but has broadened to include all kinds of important topics, including the environment.