Annelids share the common characteristics of size and symmetry and have body walls and coeloms. Although they vary widely in habitat area and live in different environments around the world, annelids have structured nerv... More »

The main difference between annelids and all other types of worms is that annelids have segmented bodies. Annelids also have a coelom, which is basically another tube inside the body that is filled with fluid and contain... More »

In descending order, the seven classification groups are kingdom, phylum, class, order, family, genus and species. Taxonomic classification is used to separate different groups of living organisms according to the charac... More »

Characteristics common to all vertebrates include bilateral symmetry, two pairs of jointed appendages, outer covering of protective cellular skin, metamerism, developed coeloms and internal skeletons, developed brains, v... More »

Distinguishing features of organisms in the Phylum Echinodermata include a lack of body segmentation, radial symmetry and life adaptations for marine environments. The Phylum Echinodermata includes more than 6,000 differ... More »

Algae are any eukaryotes, other than plants, that conduct photosynthesis. They range from single-celled organisms to multicellular seaweeds over 180 feet in length with specialized organs. They are found in most environm... More »

The main characteristics of the phylum Basidiomycota include the formation of basidia on a fruiting body and the development of basidiospores, according to the Tree of Life Web Project. The basidiospores germinate to for... More »