Biology

Provides information about biodiversity, the characteristics of different groups of organisms, and their evolutionary history (phylogeny).

Darwin Core is a metadata standard used to describe biological diversity.

Natural history, characteristics, conservation biology, and distribution information of thousands animal species. Includes photographs, sound clips, and a virtual museum.

Online database of the world's known species of animals, plants, fungi, and micro-organisms.

Comprehensive database about fishes.

Wiki-based project that seeks to create a comprehensive, free content catalog of all species. Wikispecies is directed at scientists rather than at the general public.

Archive of information about experimentally determined structures of proteins, nucleic acids, and complex assemblies.

One-stop source for information on evolution. Contains resource materials, “Evolution 101,” and teaching materials from UC Berkeley.