The Arachnids (Class Arachnida) include spiders, ticks, mites, and scorpions. Most live on land. Many build elaborate webs.
1) They are different from insects in that they have two body parts (instead of three), no wings, and no antennae.
2) Generally they have 4 pairs of legs, plus two pair of pincers in the front (chelicerae and pedipalps).
3) These pincers are different on different species but can be poison fangs, feelers or even extra legs.
4) Arachnids are usually predators, which can benefit human habitats, though some are parasites (chiggers and mites).
5) Most bite and some are poisonous.
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Amsel, Sheri. "ABOUT SPIDERS AND THEIR KIN" Exploring Nature Educational Resource ©2005-2021. June 23, 2021
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