Echinoderms: Starfish and Family


Echinoderms are marine animals that live in the ocean. They have arms or spines that radiate from the center of their body. The central body contains their organs, and their mouth for feeding.

Sea stars, commonly known as the starfish, have 5 or more arms attached to their body.

Sea urchins have many spines connected to their body. These spines help to protect them from predators.


See Also:

Invertebrate Animals

Vertebrate Animals

The Animal Kingdom

Web Links

Science Main Index

Web Sites about Echinoderms:

Echinoderms at the Indian River Lagoon Project

Echinoderms from the Evergreen Project


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