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Exoskeleton

usgb/ˈeksəʊskelɪtn/Volume
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Biological RolePlay
Emphasizes that 'exoskeleton' refers to a protective and supportive structure in animals. SlideHermit crabs can swap their exoskeletons for different shells as they grow.
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VisibilityPlay
Clarifies that an exoskeleton is visible, unlike bones which are hidden inside the body. SlideThe grasshopper's exoskeleton can be seen without dissection.
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Material DifferencePlay
Differentiates exoskeletons from human-made protections; exoskeletons are natural. SlideUnlike armor, an exoskeleton is a natural part of the animal's body.