Glencoe Life Science

Chapter 13: Mollusks, Worms, Arthropods, Echinoderms

Web Links


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Topic: Beneficial Leeches

Visit these sites for more information about the uses of chemicals from leech saliva. Use the information to complete the activity in your book.



Leeches

( http://www.amonline.net.au/factsheets/leeches.htm )
Leeches

( http://dnr.metrokc.gov/wlr/waterres/Bugs/Leeches.htm )
Health Topics A-Z Leeches

( http://www.ahealthyme.com/topic/topic100587073 )
Gross Medicine

( http://teacher.scholastic.com/researchtools/articlearchives/humanbody/grossmedicine.htm )

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Topic: Humans and Echinoderms


Natural History – Sea Urchins

( http://www.stanford.edu/group/Urchin/nathistory.html )
Echinoderms – The Spiny Animals

( http://www.oceanicresearch.org/education/wonders/echinoderm.html )
American Museum of Natural History - Echinoderms

( http://www.amnh.org/exhibitions/hall_tour/spectrum/16.html )
Birth Defects in Sea Urchins

( http://www.mbl.edu/publications/pub_archive/Arbacia/Arbacia1.html )
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