robots, appendages, mandibles, mouthparts, bionic, flatworms, insectlike, endoskeleton, annelids, vibrissae, setae, chitons, creatures, radula, prosthetics, wormlike, limbs, flagella, shapeshifting, gastropod, tunicates, crinoids, featherless, plastron, phalanges, cyborg, palps, contraptions, inchworm, scutes, pelvic girdle, forelimbs, arachnoid, supramolecular, bilaterally symmetrical, locomotion, mycelia, ankylosaurus, fins, sea anemone, hairlike, manduca sexta, oviducts, squids, bioluminescent, armor, isopods, daddy longlegs, biped, keratins, spiderlike, rootlets, locomotor, tracheae, pincers, sandfish, cuticular, neurotoxins, eyeless, hemolysin, tubercles, boxfish, integument, phenylene, paramecium, boron carbide, woodlice, footpads, organelles, chordates, spicule, protozoans, crania, gatling gun, barbels, wrigglers, collembola, spiderwebs, glaive, centipede, gummi, barnacles, slime mold, amphioxus, nematode worm, froghopper, prokaryote, musculature, arthropods, agarose, toroid, placoderms, planarian, endoderm, forefeet, microcapsule, wetware, duckbill, pelvises, protuberances, armor plating, pupae, exoskeleton, cuticles, carapace, shell, cuticle, integuments, shells, cocoons, eggshell, outer, beds, casing, chitin, covering, encrustations, envelop, pegs, sinews

chitin