Print this Web Links Activity Log to record your findings. In order to view and print these activities, it is necessary to have Adobe Acrobat Reader. If you do not have this, get the free download now. Click the Techie Toolbox for tips and help to make the most of your time on the Web. Unit 8: Invertebrates   Chapter 29: Echinoderms and Invertebrate Chordates   p. 786 Arthropoda, Tree of Life Access this site to learn more about the classification of arthropods. Besides spiders, what organisms are known as arachnids? Echinodermata Access this site for photographs and taxonomic information about echinoderms. For what type of studies is the sea urchin ideal? Chordata Access this site for photographs and taxonomic information about chordates. What is an Anguilla rostrata? p. 801 Echinodermata: Morphology, UC Museum of Paleontology Follow the link for information about echinoderms, including an SEM image of a sea urchin plate. What are pedicellaria? p. 802 The Mid Tide Zone The Mid Tide Zone gives information on various animals in a tide pool, including sea stars. Visit this site to read about sea stars' hydraulic pressure system. How do other Chordates attach to rocks? Echinoderms - The Spiny Animals This page has a nice summary of echinoderms and very colorful photos of many species. Select two of the groups of echinoderms featured at this site and make a Venn diagram comparing the characteristics of the two groups. p. 690 Unit 8: Invertebrates Tree of Life Web Project Access this site for more information about living organisms. Visit the "popular pages" section and choose a group of invertebrate animals to report on. Design a poster or bulletin board about the group using what you learn from this site. Wonders of the Seas This page describes different creatures you will find in the sea. Use the images and information on this page to design your own Web page for animals found in this unit. Ask Orkin Follow the link to this site for information about the natural history of termites, ants, roaches, fleas, and other arthropod pests. Gather information about the different arthropod pests and make a brochure explaining each of these organisms. Invertebrate Studies, Sevilleta LTER Research on terrestrial and aquatic invertebrates. With a partner, make a tree showing the different phyla and select species of invertebrates on this page.