Question: Description: Internal skeleton composed of bone that grows as an organism grows Examples: Found in arthropods including insects and crustaceans Description: Fluid-filled internal cavity providing

Description: Internal skeleton composed of bone that grows as an organism grows Examples: Found in arthropods including insects and crustaceans Description: Fluid-filled internal cavity providing support and movement Description: External skeleton composed of chitin that requires molting as an organism grows Examples: Found in invertebrates such as worms Examples: Found in vertebrates including humans, fish, and birds

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