What characteristics define an animal?
The Electronic Zoo Animal Resources Compiled by a veterinarian at Washington University in St. Louis, this resource site provides links to information about many animals. Choose a major animal group (for example, birds) and work through the choices to a list of links. Such sites range from semi-technical text to those that are widely accessible and that may include illustrations. Animals, Animals, Animals! “The Phylogeny of Life” is an on-line exhibit at the University of California Museum of Paleontology. Here you may explore the fossil record, the ecology, the classification, and the morphology of animals. This site lists additional resources, with recommendations, and will also take you to other sites at the museum. Click on “Systematics,” and you will see a diagram of the phylogeny of animals; choose a branch to find out about that group.9) What Are the Major Animal Phyla? Kingdom Animalia Use the imagemap of the phylogenetic tree to navigate through the kingdom. Note that this dia
