Animals

Kangaroo
Scientists divide animals into about 35 groups called phyla (one is a phylum). You pronounce it FIE-lah. These are some of the more important phyla:
Hydras
Sponges
Flatworms
Roundworms
Segmented Worms
Arthropods (Spiders, Crabs and Bugs)
Cephalopods (Octopus and Squid)
Mollusks (Snails, Clams, Mussels)
Chordates (Fish, frogs, snakes, birds, and mammals, including people)
Or you may be interested in seeing how each part of animals evolved from one-celled animals all the way to people and other chordates:
Digestive system
Respiratory system
Nervous system
Reproduction
Skeletal system
Muscular system
Circulatory system
To find out more about animals, check out these books from Amazon.com or from your library:
