Assertion: arthropod's exoskeleton | /r/CapableOf | molt at interval
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Source sentences:
text: Body composed of head, thorax and abdomen with three or more pairs of jointed legs; chitinous exoskeleton covering all body parts, molted at intervals; divided into seven major classes: Class Onychophora (walking worms); Class Crustacea (shrimp, crabs & barnacles); Class Insecta (insects); Class Chilopoda (centipedes); Class Diplopoda (millipedes); Class Arachnida (spiders & ticks); and Class Merostomata (horseshoe crabs).