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10 cards from this deck
Supporting framework: structure, protection, movement
Hydrostatic, exoskeleton, endoskeleton
Fluid-filled cavity providing support via pressure
Jellyfish, octopuses, earthworms, slugs, starfish
External skeleton covering & protecting body
Chitin, strengthened by calcium carbonate
Arthropods: insects, spiders, scorpions, crustaceans
Internal skeleton made of cartilage or bone
Old exoskeleton shed, new one not hardened yet
Water support meant less need for complex skeletons
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