Arachnida
Sign in to saveArachnids are arthropods in the class Arachnida () of the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks, mites, pseudoscorpions, harvestmen, camel spiders, whip spiders and vinegaroons.
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Arachnids are a large group of arthropods that includes spiders, scorpions, ticks, mites, and several other related creatures. They are important members of ecosystems worldwide, filling roles as predators, parasites, and decomposers that affect both human health and natural environments.
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Article
13 sectionsContents
- Morphology
- Locomotion
- Physiology
- Diet and digestive system
- Senses
- Reproduction
- Taxonomy and evolution
- Phylogeny
- Fossil history
- Taxonomy
- See also
- References
- External links
Arachnids are arthropods in the class Arachnida () of the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks, mites, pseudoscorpions, harvestmen, camel spiders, whip spiders and vinegaroons.
Adult arachnids have eight legs attached to the cephalothorax. In some species the frontmost pair of legs has converted to a sensory function, while in others, different appendages can grow large enough to take on the appearance of extra pairs of legs.