Echinoderms
Echinoderms are a phylum of marine animals, easily recognized by their spiny skin and unique body structure. They are exclusive to water environments, particularly in the depths of oceans around the world. Echinoderms exhibit radial symmetry and have an endoskeleton made of calcium carbonate plates, which provide them with a rigid yet flexible body armor. Some echinoderms have specialized appendages used for locomotion or feeding. They belong to the kingdom Animalia and are classified as predator animals due to their carnivorous diet, primarily consuming plankton, small invertebrates, and decaying organic matter. As predators, they play a vital role in maintaining the balance of marine ecosystems. Echinoderms are diverse and fascinating creatures with unique characteristics that distinguish them from other animal phyla.