Exoskeleton, skeleton on the outside of the body, Do not have backbone ., invertebrates, have shell, crabs, lobsters, snails, Bee, Ant, Jellyfish, Starfish, Exoskeleton, Endoskeleton, skeleton is inside the body, have a backbone, vertebrates, supports and protects important organs, Doldfish, Salmon, Shark, Snake, Sparrow, Human, Dog, Endoskeleton.

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