Vertebrates and Invertebrates Vertebrates and Invertebrates on Biology 4 Kids A great website on a variety of science topics.  The information may be a little advanced, but the quizzes are worth it. Invertebrates: http://www.biology4kids.com/files/invert_main.html Vertebrates: http://www.biology4kids.com/files/vert_main.html Invertebrates - Teacher-created Webpages (with research links) Earthworms The Adventures of Herman http://www.urbanext.uiuc.edu/worms/ Yucky Worm World http://yucky.kids.discovery.com/noflash/worm/index.html The City Naturalist - Earthworms http://www.nysite.com/nature/fauna/earthworm.htm The Gardener's Friend http://gardenline.usask.ca/misc/earthwor.html Earthworms Underfoot http://www.ars.usda.gov/is/kids/soil/story2/goodworm.htm  Worm Watch http://www.naturewatch.ca/english/wormwatch/  BioKids http://www.biokids.umich.edu/critters/Oligochaeta Earthworm Animation http://www.ncsu.edu/scivis/lessons/earthworm/Overview.html