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Hard body plates

Sea stars (starfish) endoskeleton on sand.

Sea stars are invertebrates so they don’t have a backbone, but they do have a skeleton beneath their skin. This endoskeleton is made up of a complex network of hard bony plates made of calcium carbonate and held together by strong flexible tissues.

Acknowledgement: Suhailah J Nassar

Glossary

Rights: Suhailah J Nassar
Published: 14 August 2017Size: 171.66 KB
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