👉 Echinodermia is a type of organ system in animals, characterized by an exoskeleton made up of many flattened, cylindrical appendages known as chondrocytes, which are found in echinoderms.
👉 Echinodermia is a type of organ system in animals, characterized by an exoskeleton made up of many flattened, cylindrical appendages known as chondrocytes, which are found in echinoderms.
