This is a picture of a hermit crab. It has an exoskeleton, an external skeleton or stiff covering. An exoskeleton protects and supports an organisms body. It often has flexible joints with underlying muscles that allow for range of motion. Exoskeletons are a key feature of arthropods, a group of organisms that includes insects such as grasshoppers and cockroaches, spiders, and crustaceans such as lobsters and crabs.
No comments:
Post a Comment