How many pairs of legs do adult arachnids typically have?

Adult arachnids typically have four pairs of legs, which totals eight legs. This characteristic is a defining feature of arachnids, distinguishing them from insects, which have three pairs of legs (six legs total). The four pairs of legs in arachnids provide them with stability and mobility, allowing them to hunt and navigate their environments effectively. This anatomical structure plays a crucial role in their survival as it aids in prey capture, locomotion, and other behaviors essential to their life cycle. Understanding the leg count is important for identifying and classifying arachnids, which include spiders, scorpions, and ticks, among others.