| Show spider not an insect A spider Is not an insect but an arachnid the phylum or jointed invertebrate animals has three principal classes and the class includes such familiar creatures as spiders order araneida scorpions order lonida and harvestman harvest men or daddy long lone legs order true spiders are distinguished from insects by possessing four instead of 0 three pairs of walking legs and b having the body divided into only two main divisions separated by a narrow waist a bearing flit legs mouth parts pans and eyes and an abdomen which Is short and rounded and bears two or more spinnerets erets at the posterior end for spinning silk threads spiders are predacious and have poison glands near their jaws some being able to inflict innico bites painful or even dangerous tt ta man the young develop without a metamorphosis such fuch as la in typical ad insects |