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Spiders are fascinating creatures belonging to the arachnid class. They are distinct from other animals, insects, and even beetles due to their unique body structure featuring two main parts - the cephalothorax (fused head and thorax) and the abdomen, along with eight legs. Spiders have an extraordinary ability to spin webs for hunting or protection, using silk produced by specialized glands. They are predators that feed on various insects and sometimes small vertebrates. Despite their often-feared reputation, most spider species are harmless to humans, and their ecological role in controlling pest insect populations is essential.