Animal Diversity Web: Phylum Annelida (Segmented Worms)

The Animal Diversity Web offers a general introduction to the roundworm and some of its physical characteristics.

In addition to providing detailed information about the cheetah, Animal Diversity Web also offers a wealth of pictures, specimens, and classification information for detailed study.

The Animal Diversity Web provides a detailed overview of the giant squid. Content includes a focus on the giant squid's geographic range, habitat, physical description, reproduction, behavior, food habits, and more.

Animal Diversity Web offers a comprehensive look at monotremes. In addition to a general overview of monotremes, content includes numerous photographs and specimens, and a look at their classification.

The Animal Diversity Web offers a very good description of teeth in the digestive process of mammals. Covers the variety of teeth and links to discussions on a variety of teeth issues.

This section (in table of contents as "Phylum Annelida: Segmented Worms") gives a description of how segmented worms developed certain characteristics as well as it explains the differences in the evolution of different classes of...

A great, detailed description of mollusks. Discusses parts of their external and internal anatomy and their functions, and lists several characteristics of mollusks. Tabbed pages include pictures, specimens and classification.

This resource contains thousands of descriptions about individual animal species. Many of these descriptions also includes pictures, movies, audio clips, and more.

This site by Animal Diversity Web discusses the different body types and the similar characteristics of the animals in the phylum Cnidaria.

Animal Diversity Web offers a brief overview of centipedes. Classification information is also provided.