Animal

An animal is a member of the kingdom animalia, distinguished by their ability to move by their own power. the animal kingdom is divided into several phyla:
 * Chordata - vertebrates and a few primitive relatives
 * Molluscs - mostly bivalves, univalves and cephalopods.
 * Arthropods - the largest phylum; includes insects, arachnids, crustaceans, millipedes and centipedes.
 * Echinoderms - spiny skinned marine creatures including starfish and sea urchins.
 * Coelenterates - includes sea anemones and jellyfish.
 * Annelids - the segmented worms.
 * Nematodes - a phylum of worms with a vast and worldwide presence, yet which are little-known apart from a few pathogens.

Many other worm phyla exist.