Arachnids form a large group of animal species with articulated bodies (arthropods) divided into two parts: the prosoma (sometimes called cephalothorax) and the opisthosoma (sometimes called abdomen).
Once they have become adults, most species have six pairs of appendages divided into one pair of chelicerae, one pair of pedipalps and four pairs of legs. Their eyes are simple and often of secondary importance.
Did you know that arachnids are easily distinguishable from insects because they have no antennae?!
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