This book describes the physical traits, behavior, habitat, and life cycle of a sea urchin.
General Note
Includes index.
Includes glossary.
Content Note
Trouble at the beach! - Underwater hedgehogs - Sea urchins at home - Spines! - The sea urchin : freaky facts - Five teeth and lots of feet - Scraping up a meal - Sea urchin enemies - A sea urchin's life - Our cousins the sea urchins.