Underwater World: A Glimpse of Vibrant Sea Urchins and Coral Reefs – By Bhanuka – eLanka Sea urchins are fascinating marine creatures that inhabit oceans around the world, playing a vital role in the marine ecosystem. These spiny echinoderms belong to the class Echinoidea and are closely related to sand dollars, sea cucumbers, and starfish. Found predominantly on rocky seabeds, coral reefs, and kelp forests, sea urchins contribute significantly to the balance and health of their environment, while also serving as a source of intrigue and value to humans. Sea urchins possess a round, symmetrical body covered in long, movable spines. These spines not only provide protection from predators but also aid in locomotion. Beneath the spines lies a hard, shell-like exoskeleton known as a “test,” which is made up of calcium carbonate plates. The test is perforated with small holes through which the sea urchin’s tube feet extend. These ...
Dec 14, 2024
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Articles, Bhanuka Nuwan
Tagged aquatic environment, colorful marine life, coral reef ecosystem, coral reef habitat, coral reef protection, marine biodiversity, marine conservation, Marine life, marine research., ocean creatures, ocean ecosystem, sea urchin biology, sea urchin habitat, sea urchin spines, sea urchins, spiny echinoderms, underwater photography, underwater scene, underwater world, vibrant sea urchins
