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SPIDERS & RELATIVES Chelicerata: two part body w/ chelicerae (mouth
parts) two body parts: cephalothroax & the abdomen two appendages attached near the mouth chelicerae & pedipalps Horseshoe Crabs 5 pair of walking legs, spike-like tail, 60cm in length Arachnids four pair of walking legs on chephalothroax Spiders predators: eat insects or small vertebrates using a
variety of methods
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ARACHNIDS Spiders inject venom, secret enzymes and suck up
the liquefied tissues with its esophagus and stomach. Webs are made of liquid silk high in protein Mites and Ticks parasites: pierce the skin, have teeth and claws cause Lyme disease and Rocky Mountain spotted
fever Scorpions: (usually venom is like a bee sting) carnivores eating mostly insects pedipalps are enlarged into claws abdomen ends with a barbed tail-like structure like to hide in warm dark places
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