A skeleton on the outside of an animal's body, often acting like as a protective barrier. Arthropods, such as crustaceans and insects have an exoskeleton.
|This article is part of Project Glossary, a All Birds project that aims to write comprehensive articles on each term related to animals.|
|120x120px||This article is part of Project Invertebrate Anatomy, a All Birds project that aims to write comprehensive articles on each anatomical term related to invertebrates.|
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