`echinoderms` Related Article Results

Starfish are fascinating creatures that live in the sea and typically have five arms. They have a round central body from which their arms extend. Although they appear soft, their bodies are actually somewhat rigid. Starfish are not fish, but they live in the sea. They belong to a group of animals called echinoderms. Approximately 1500 different species of starfish live in many parts of the world, from warm tropical seas to cold polar waters. What Do Starfish Eat ? Starfish particularly enjoy ea