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BookmarkAn exoskeleton, in contrast to an endoskeleton, is an external anatomical feature that supports and protects an animal's body.
All arthropods (such as insects, spiders and crustaceans) and many other invertebrate animals (such as shelled mollusks) have exoskeletons.
Lobsters, for example, have tough outer shell systems which provide rigidity and shape to their bodies..
For more information about the topic Exoskeleton, read the full article at Wikipedia.org, or see the following related articles:
Skeleton — In biology, the skeleton or skeletal system is the biological system providing physical support in living organisms. Skeletal systems are commonly ... > read more
Animal shell — A shell is a hard, rigid outer layer, which has evolved in a very wide variety of different animals, including mollusks, sea urchins, crustaceans, ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Exoskeleton at Wikipedia.org. See the Wikipedia copyright page for more details.
