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Spiders, as members of the Chelicerata subphylum, are distinguished by their unique body structure which consists of two main parts: the cephalothorax and the abdomen, connected by a narrow waist-like pedicle. They possess specialized appendages, including pedipalps that serve various functions such as sensory perception and mating, and chelicerae modified into fangs for capturing prey. The majority of spider species produce venom to immobilize their prey, while some have venom potent enough to pose a risk to humans. Spiders exhibit diverse web-building behaviors, constructing various types of intricate silk structures for different purposes such as capturing prey or reproduction. Their complex behaviors and adaptations make them an essential component in many ecosystems as predators and contributors to biodegradation processes.