Echinoderms : sea stars, sea urchins, and their relatives/
Sea stars, sea urchins, and their relatives
Beth Blaxland for the Australian Museum ; [illustrations by Peter Mather].
- Philadelphia : Chelsea House, 2003.
- 32 p. : col. ill., col. map ; 29 cm.
- Invertebrates .
- Blaxland, Beth. Invertebrates. .
"First published in 2002 by Macmillan Education Australia Pty Ltd"--T.p. verso. Includes index.
Defines echinoderms, such as sand dollars and crown-of-thorns sea stars, and describes their physical characteristics, life cycles, habitats, sense, food, and means of self-defense.