The _______ have bodies that are divided into two parts: a head region that bears two pairs of appendages modified to form mouthparts, and a trunk region that typically has four pairs of walking legs.

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Chelicerates, such as spiders and scorpions, have a body that is divided into a cephalothorax region (head and thorax fused together) that bears two pairs of modified appendages serving as mouthparts, and an abdomen region. Chelicerates have four pairs of walking legs on their cephalothorax region.

The _______ Have Bodies That Are Divided into Two Parts