Ecology: Dictionaries & encyclopedias

An exhaustive dictionary of over 13,000 terms relating to invertebrate zoology, including etymologies, word derivations and taxonomic classification. Entries cover parasitology, nematology, marine invertebrates, insects, and anatomy, biology, and reproductive processes for the following phyla: Acanthocephala, Annelida, Arthropoda, Brachiopoda, Bryozoa, Chaetognatha, Cnidaria, Ctenophora, Echinodermata, Echiura, Entoprocta, Gastrotricha, Gnathostomulida, Kinorhyncha, Loricifera, Mesozoa, Mollusca, Nemata, Nematomorpha, Nemertea, Onychophora, Pentastoma, Phoronida, Placozoa, Platyhelminthes, Pogonophora, Porifera, Priapula, Rotifera, Sipuncula, and Tardigrada.

The most comprehensive dictionary of the English language ever produced. Includes definitions, quotations, and full etymologies. All are searchable.

The Biodiversity Heritage Library improves research methodology by collaboratively making biodiversity literature openly available to the world as part of a global biodiversity community.

The Encyclopedia of Life (EOL) is a free online resource bringing together information about all life on Earth including text, images, video, sounds, maps, classifications and more.

eLS features over 5,000 specially commissioned, peer-reviewed and citable articles in the life sciences and is an essential resource for students. Topic browse spanning the life sciences from cell biology to ecology.

Grzmek's includes authoritative peer-reviewed content on more than 4,000 species categorized by Amphibians, Reptiles and Birds, Fish, Insects, Mammals and Simple Aquatic Life, including information on evolution, habitat, behavior, range and more.

The Encyclopedia of Earth is an electronic reference about the Earth, its natural environments, and their interaction with society. The Encyclopedia is a free, expert-reviewed collection of articles written by scholars, professionals, educators, and experts who collaborate and review each other's work. The articles are written in non-technical language and are useful to students, educators, scholars, professionals, as well as to the general public.