Search over 1.4 million articles by over 600 experts
  1. Home
  2. Education
  3. Animals / Wildlife

More from About.com

Browse Topics A-Z
Echinoderms
Echinoderms (Phylum Echinodermata)
Echinoderms - Profile of Echinoderms - Phylum Echinodermata
Morphology of Echinodermata
Learn about the structure and anatomy of echinoderms, a group of animals who have a unique water vascular system.
Sea Cucumbers
The worm-like sea cucumber does not closely resemble other echinoderms but on closer inspection is found to have five-rayed symmetry, a distinguishing characteristic of echinoderms.
Phylum Echinodermata
This concise list of echinoderm characteristics provides a useful quick-reference guide to this group of animals.
Sea Urchins
Do you know what the long spines of sea urchins are used for? Find out in this informative article.
The Common Sea Star
This concise article has useful illustrations of sea star anatomy and general information about their diet and reproductive habits.
Brittle Stars
A useful primer to the biology of brittle stars with anatomical illustrations and information about diet, habitat, and classification.
  1. Home
  2. Education
  3. Animals / Wildlife
  4. Animal Profiles
  5. Invertebrates
  6. Echinoderms

©2008 About.com, a part of The New York Times Company.

All rights reserved.