If you’re curious about what sea biscuits are, they are a fascinating type of echinoderm, related to sand dollars and sea urchins. Sea biscuits are characterized by their distinctive, dome-shaped body and the intricate star patterns on their surface. They live in the sandy bottoms of the ocean, where they burrow and feed on organic material. Sea biscuits play an important role in the marine ecosystem, helping to recycle nutrients and maintain the health of the ocean floor. Understanding what sea biscuits are allows you to appreciate the complexity and beauty of marine life. Whether you’re a collector or simply a lover of the ocean, sea biscuits are a wonderful example of nature’s artistry.