In this picture you can see a beetle, specifically a Horned Passalus. This beetle has a tough Exoskeleton to protect its soft insides from the rest of the world. An Exoskeleton is a tough layer on the outside of an animal, it is much like a humans skeleton except it supports the animals body from the outside instead of on the inside. Some examples of animals with Exoskeletons would be mollusks, arthropods, and crustaceans.
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