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Spiders are arthropods called arachnids. All arachnids have 4 pairs of walking legs and fangs (chelicerae) adapted for liquid feeding instead of jaws or other types of feeding structures. Mites and ticks, harvestmen (daddy-longlegs), and scorpions are all arachnids.
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www.uwgb.edu/BIODIVERSITY/biota/arthropods/Arachnids/
www.uwgb.edu/BIODIVERSITY/biota/arthropods/Arachnids/
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Arachnids are a type of arthropod. You know many of them as spiders. Common arachnids are spiders, scorpions, ticks and mites. ... Spiders are easily recognized with their 8 legs. All legs are used for walking. The first pair of legs is also used for holding prey and feeding. The second pair of legs may also be used...
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www.kidport.com/RefLib/Science/Animals/Arachnids.htm
www.kidport.com/RefLib/Science/Animals/Arachnids.htm
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Love 'em or hate 'em, you've got to admit that spiders are some pretty impressive, well-equipped animals. They have a top-notch sensor array, a built-in construction set, a heavily armored body and a highly effective venom-injection system. ... See all Arachnids articles...
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animals.howstuffworks.com/arachnids/spider.htm
animals.howstuffworks.com/arachnids/spider.htm
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The body structure of a spider is similar to that of other arachnids in being divided into an anterior cephalothorax, or prosoma, and a posterior abdomen, or opisthosoma. The two parts are separated by a narrow stalk, or pedicel, ... The digestive system of spiders is adapted exclusively to taking up liquid food,
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www.everythingabout.net/articles/biology/animals/arthro...
www.everythingabout.net/articles/biology/animals/arthropods/arachnids/spiders/
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Spiders: Learning More About Spider Biology ... Spiders evoke a combination of interest, horror, and curiosity in people of all ages. Because there is so much intrinsic interest in spiders, they have turned out to be excellent creatures to use to entice children and adults into learning more natural history and biology.
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www.entomology.cornell.edu/SpiderOutreach/
www.entomology.cornell.edu/SpiderOutreach/
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Spiders of Britain & Europe, Nick Loven; Groupe d'etude des Arachnides, Lionel Dabat; Aranea Norvegiae; Arachnids, arthropods, reptiles of Europe; Arachnodata; Arachnoligische gesellschaft e.V.; Hoehlenspinnen; Aracnis, European spiders & their kin; Belgian spider site from Gie Wyckmans; Opiliones in Belgium from...
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www.xs4all.nl/~ednieuw/Spiders/spidhome.htm
www.xs4all.nl/~ednieuw/Spiders/spidhome.htm
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Coddington, J. A. and R. K. Colwell. 2001. Arachnids. Pages 199-218 in Encyclopedia of Biodiversity. Volume 1. S. A. Levin, ed. Academic Press, San Diego, California. ... Spiders on the Web. Peter Bryant's photos of spiders and other arachnids.
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tolweb.org/tree?group=Arachnida&contgroup=Arthropoda
tolweb.org/tree?group=Arachnida&contgroup=Arthropoda
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They feed upon the tiny insects and arachnids that share this microhabitat. Like spiders, pseudoscorpions possess silk glands for the construction of silken egg cases and molting chambers...
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www.sasionline.org/arthzoo/archnids.htm
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