Why do centipedes have so many legs?
Quick Answer
Centipedes are segmented predators, and each body segment carries a pair of legs. The many legs help them move quickly through soil, leaf litter and crevices.
The Full Story
Centipedes belong to a group of arthropods with long, segmented bodies, and most segments bear one pair of legs. Having many legs gives them stability and flexibility on rough ground, allowing fast movement through narrow spaces while hunting prey. The first pair of appendages is modified into venom claws called forcipules, which help subdue prey. Despite the name, centipedes do not always have 100 legs; the exact number varies by species and individuals. This body plan is highly successful in dark, damp habitats around the world.
Key Facts
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"Centipedes are built like a fast-moving train with legs on every car."