Arachnoid are air-breathing arthropods (invertebrates having jointed limbs and a segmented body with an exoskeleton). Ticks fall within this description. Ticks have four pairs of walking legs and no wing. Spiders, scorpions and others are examples.
Arachnoid comprise of over 40,000 species of spiders, 30,000 species of ticks and mites and an assortment of other eight-legged creatures.
Ticks are among the most efficient carriers of disease because they attach firmly when sucking blood.They feed slowly and they may go unnoticed for a considerable length of time while feeding. Ticks can only crawl. They cannot jump or fly.They can be active on winter days with a ground temperature of about forty-five degrees F.