Creatures with exoskeletons have their skeleton on the outside of their body to protect their internal organs. In other words, creatures with hard shell exteriors have an exoskeleton. All arthropods have an exoskeleton, which means that cockroaches also have an exoskeleton since they are arthropods. In addition it is common sense that cockroaches have an exoskeleton because with the naked eye they look like the have a hard body. Therefore, the photo of the cockroach reveals a photo of a creature with an exoskeleton.
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