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Image: Sea Urchin Endoskeleton

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Description: The test (endoskeleton) of a variable sea urchin (Lytechinus variegatus) washed up on a beach in the Lake Worth Lagoon Estuary. Sea urchins capture atmospheric carbon dioxide and convert it into harmless calcium carbonate to make their lovely symmetrical "shells" (called "test"). www.sciencedaily.com/releases/2013/02/130204220840.htm
Title: Sea Urchin Endoskeleton
Credit: Sea Urchin Endoskeleton
Author: Bob Peterson from North Palm Beach, Florida, Planet Earth!
Usage Terms: Creative Commons Attribution-Share Alike 2.0
License: CC BY-SA 2.0
License Link: https://creativecommons.org/licenses/by-sa/2.0
Attribution Required?: Yes

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