The spider is a kind of jointed animals (arthropods) with two body segments, four pairs of legs, wingless, and do not have a mouth cud. All types of spiders are classified into the order Araneae
Araneae are the largest order of arachnids and rank seventh in total species diversity among all orders of organisms. Spiders can be found all over the world on every continent except Antarctica, and have survived for a long time in almost all habitats with the exception of air and sea colonization.
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