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In Arthropods
What is an Arachnid?
The arachnids, Arachnida, are a class of invertebrate animals in the subphylum Chelicerata. Arachnids are named for the mythological figure Arachne.They are chiefly te…rrestrial arthropods, some 65,000 to 73,000 species including the spiders, scorpions, harvestmen, ticks, and mites. The arachnids are easily distinguished from the insects by the fact that they have eight legs instead of six. In addition, they also have simple eyes. An arachnid is defined as being a joint-legged invertebrate. They comprise over 100,000 species of which the spider is perhaps the most well known. Other examples include mites, ticks and the scorpion. Arachnids always have four pairs of legs. The most common arachnid species is the spider. An arachnid is any wingless, carnivorous arthropod of the class Arachnida, including spiders, scorpions, mites, ticks, and daddy-longlegs, having a body divided into two parts, the cephalothorax and the abdomen, and having eight appendages (legs) and no antennae. (MORE)
